Remove legacy reference files and add redirections

[Saisang]

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[learn-build-service-prod]

Learn Build status updates of commit 66da5e1:

❌ Validation status: errors

Please follow instructions here which may help to resolve issue.

File	Status	Preview URL	Details
.openpublishing.publish.config.json	❌Error		Details

.openpublishing.publish.config.json

• Line 0: [Error: InvalidJsonFileContent] Publishing configuration file is bad formatted, with invalid JSON syntax or with duplicate keys. Please validate the syntax with a JSON validator like http://jsonlint.com/ for formatting and syntax issues. Please also check whether there are multiple keys of same name, e.g. 'pdf' and 'Pdf' - remove the duplicate keys until there is only one left.

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Note: Your PR may contain errors or warnings or suggestions unrelated to the files you changed. This happens when external dependencies like GitHub alias, Microsoft alias, cross repo links are updated. Please use these instructions to resolve them.

[learn-build-service-prod]

Learn Build status updates of commit 9e6f972:

✅ Validation status: passed

File	Status	Preview URL	Details
.openpublishing.publish.config.json	✅Succeeded
.openpublishing.redirection.legacy.json	✅Succeeded	View (azure-python-previous)
docfx.json	✅Succeeded
docs-ref-mapping/reference-previous.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.aio.MetricsAdvisorAdministrationClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.aio.MetricsAdvisorClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.aio.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.MetricsAdvisorAdministrationClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.MetricsAdvisorClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.MetricsAdvisorKeyCredential.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AlertQueryTimeMode.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyAlert.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyAlertConfiguration.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyDetectionConfiguration.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyDetectorDirection.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyFeedback.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyIncident.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyIncidentStatus.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalySeverity.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyValue.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureApplicationInsightsDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureBlobDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureCosmosDbDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureDataExplorerDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureDataLakeStorageGen2DataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)

This comment lists only the first 25 files in the pull request.
For more details, please refer to the build report.

[learn-build-service-prod]

Learn Build status updates of commit 86e328a:

✅ Validation status: passed

File	Status	Preview URL	Details
.openpublishing.publish.config.json	✅Succeeded
.openpublishing.redirection.legacy.json	✅Succeeded	View (azure-python-previous)
docfx.json	✅Succeeded
docs-ref-mapping/reference-previous.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.aio.MetricsAdvisorAdministrationClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.aio.MetricsAdvisorClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.aio.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.MetricsAdvisorAdministrationClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.MetricsAdvisorClient.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.MetricsAdvisorKeyCredential.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AlertQueryTimeMode.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyAlert.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyAlertConfiguration.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyDetectionConfiguration.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyDetectorDirection.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyFeedback.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyIncident.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyIncidentStatus.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalySeverity.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AnomalyValue.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureApplicationInsightsDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureBlobDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureCosmosDbDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureDataExplorerDataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)
previous/docs-ref-autogen/azure-ai-metricsadvisor/azure.ai.metricsadvisor.models.AzureDataLakeStorageGen2DataFeedSource.yml	✅Succeeded	n/a (file deleted or renamed)

This comment lists only the first 25 files in the pull request.
For more details, please refer to the build report.