Chore: Unused/dead code removal (#28155)

apps/meteor/.eslintcache

apps/meteor/app/2fa/client/TOTPOAuth.js

apps/meteor/app/2fa/client/TOTPPassword.js

apps/meteor/app/2fa/server/code/EmailCheck.ts

apps/meteor/app/2fa/server/code/index.ts

apps/meteor/app/2fa/server/functions/resetTOTP.ts

apps/meteor/app/analytics/client/trackEvents.js

apps/meteor/app/api/server/api.d.ts

apps/meteor/app/api/server/api.helpers.ts

apps/meteor/app/api/server/lib/isValidQuery.ts

apps/meteor/app/api/server/middlewares/authentication.ts

apps/meteor/app/api/server/v1/connection.d.ts

apps/meteor/app/api/server/v1/groups.js

apps/meteor/app/api/server/v1/rooms.js

apps/meteor/app/api/server/v1/rooms.ts

apps/meteor/app/api/server/v1/webdav.ts

apps/meteor/app/apple/server/appleOauthRegisterService.ts

apps/meteor/app/apps/server/bridges/index.ts

apps/meteor/app/assets/server/assets.ts

...or/app/authentication/server/lib/restrictLoginAttempts.ts