* Remove skipLoadingStyleSheet
* Remove unused bootstrap-5 assignment from the Account settings page since it's archived
* Remove bsVersionIcon
* Remove bsVersion, bootstrapVersion and isBootstrap5 from elements on the IDE page
* Remove BS3Dropdown from the context menu
* Cleanup Bootstrap 3 related comment and type
GitOrigin-RevId: a67244eb78943ee84cc5f89bae164c0361e8fc13