Remove empty controllers

src/controllers/atoms/MessageTimestamp.js

src/controllers/atoms/voip/VideoFeed.js

src/controllers/molecules/EventAsTextTile.js

src/controllers/molecules/MImageTile.js

src/controllers/molecules/MRoomMemberTile.js

src/controllers/molecules/MatrixToolbar.js

src/controllers/molecules/SenderProfile.js

src/controllers/molecules/UnknownMessageTile.js

src/controllers/molecules/voip/VideoView.js