logging output is not suppressed when using LoggingMethod.none

gradle-ssh-plugin-2.10.1 (groovy-ssh-2.10.1, jsch-0.1.54, groovy-3.0.9, java-1.8.0_301)

1. Execute any command
2. Set the logging to LoggingMethod.none
3. The command output is not suppressed

```groovy
execute "rmdir /Q /S C:\\xxx\\${rootProject.name}\\_stage", ignoreError: true, logging: LoggingMethod.none
```
