Remove unneeded semicolon and parentheses

apps/dav/lib/DAV/Sharing/Backend.php

apps/dav/lib/SystemTag/SystemTagsObjectMappingCollection.php

apps/encryption/lib/KeyManager.php

apps/files/lib/App.php

apps/files/lib/Command/Scan.php

apps/files/lib/Command/ScanAppData.php

apps/files/lib/Settings/Admin.php

apps/files_external/lib/Lib/Auth/AmazonS3/AccessKey.php

apps/files_external/lib/Lib/Auth/OAuth1/OAuth1.php

apps/files_external/lib/Lib/Auth/OAuth2/OAuth2.php

apps/files_external/lib/Lib/Auth/OpenStack/OpenStack.php

apps/files_external/lib/Lib/Auth/OpenStack/Rackspace.php

apps/files_external/lib/Lib/Auth/Password/Password.php

apps/files_external/lib/Lib/Auth/PublicKey/RSA.php

apps/files_external/lib/Lib/Backend/AmazonS3.php

apps/files_external/lib/Lib/Backend/DAV.php

apps/files_external/lib/Lib/Backend/FTP.php

apps/files_external/lib/Lib/Backend/Local.php

apps/files_external/lib/Lib/Backend/OwnCloud.php

apps/files_external/lib/Lib/Backend/SFTP.php