Clean out jsonlint/jshint
For MediaWiki extensions:
Remove check: [jshint, jsonlint]
When mwgate-npm has been enabled, remove mwgate-jsonlint
Remove mwgate-jshint if grunt-contrib-jshint is in the repo.
Also remove a few archived repositories.
Bug: T119973
Change-Id: I66a4353c7c0f30ec548e49015d76542a5d509839