* sweep all scheduler application code and new-scheduler conditional logic
* remove airbyte-scheduler from deployments and docs
* format
* remove 'v2' from github actions
* add back scheduler in delete deployment command
* remove scheduler parameters from helm chart values
* add back job cleaner + test and add comment
* remove now-unused env vars from code and docs
* format
* remove feature flags from web backend connection handler as it is no longer needed
* remove feature flags from config api as it is now longer needed
* remove feature flags input from config api test
* format + shorter url
* remove scheduler parameters from helm chart readme
