Remove unused RUNTIME_NOSETUPFS var

apps/bookmarks/ajax/addBookmark.php

apps/bookmarks/ajax/delBookmark.php

apps/bookmarks/ajax/editBookmark.php

apps/bookmarks/ajax/recordClick.php

apps/bookmarks/ajax/updateList.php

apps/files_sharing/get.php

apps/media/ajax/autoupdate.php

apps/remoteStorage/ajax/revokeToken.php

apps/remoteStorage/auth.php

files/webdav.php

lib/base.php

public.php

remote.php