Remove unneeded workflow to remediate security issue (#882)

* Remove unneeded workflow to remediate security issue
* Remove unneeded items from PR template

Author: dacharyc

.github/pull_request_template.md

@@ -1,30 +1,3 @@
 ## Pull Request Info
 
 Jira ticket: https://jira.mongodb.org/browse/DOCSP-NNNNN
-
-### Staging Links
-<!-- start insert-links --><!-- end insert-links -->
-
-### Reminder Checklist
-
-Before merging your PR, make sure to check a few things.
-
-- [ ] Did you tag pages appropriately?
-  - genre
-  - programming_language
-  - meta.keywords
-  - meta.description
-- [ ] Describe your PR's changes in the Release Notes section
-- [ ] Create a Jira ticket for related docs-realm work, if any
-
-### Release Notes
-
-<!--
-- **Define Data Access Permissions**
-  - Data Access Role Examples: Update CRUD Permissions example screenshots and
-    copyable JSON
--->
-
-### Review Guidelines
-
-[REVIEWING.md](https://github.com/mongodb/docs-app-services/blob/master/REVIEWING.md)