Remove useless anonymous functions of files

controllers/api/v1/index.js

controllers/api/v1/pods.js

controllers/api/v1/remoteVideos.js

controllers/api/v1/videos.js

controllers/index.js

controllers/views.js

helpers/customValidators.js

helpers/logger.js

helpers/peertubeCrypto.js

helpers/requests.js

helpers/utils.js

initializers/checker.js

initializers/constants.js

initializers/database.js

lib/friends.js

lib/poolRequests.js

lib/videos.js

lib/webtorrent.js

lib/webtorrentProcess.js

middlewares/cache.js