Test plan:
* The hook code should be removed from both the `extension.json` call, and from the Hooks PHP file itself.
* The number of QUnit tests run before and after should be the same
* The QUnit tests should still pass. :-)
# Wikimedia-deployed
[ ] AdvancedSearch
[ ] CentralAuth
[ ] CentralNotice
[ ] Cite
[ ] Citoid
[ ] CodeMirror
[ ] ContentTranslation
[ ] Echo
[ ] EventLogging
[ ] Flow
[ ] Graph
[ ] GuidedTour
[ ] MobileFrontend
[ ] MultimediaViewer
[ ] NavigationTiming
[ ] PerformanceInspector
[ ] QuickSurveys
[ ] RelatedArticles
[ ] RevisionSlider
[ ] Sentry
[ ] TemplateData
[ ] TemplateWizard
[ ] Thanks
[ ] TwoColConflict
[ ] UniversalLanguageSelector
[ ] UploadWizard
[ ] VisualEditor
[ ] WikibaseLexeme
[ ] WikidataPageBanner
[ ] WikiEditor
[ ] ZeroBanner
[ ] MinervaNeue (the skin)
# Non-static or not yet on extension.json, so not yet
[ ] Translate
[ ] Wikibase
# Extensions not deployed at Wikimedia
[ ] examples
[ ] BlueSpiceExtendedSearch
[ ] FormWizard
[ ] ImageMetrics
[ ] SemanticMediaWiki
[ ] SemanticResultFormats
[ ] Wikispeech