Removing files_encryption left overs

apps/encryption/settings/settings-personal.php

apps/encryption/templates/settings-admin.php

apps/encryption/templates/settings-personal.php

apps/files/index.php

apps/files_sharing/tests/testcase.php

apps/files_trashbin/tests/trashbin.php

core/application.php

lib/private/connector/sabre/file.php

lib/private/files.php

tests/lib/cache/file.php

tests/lib/cache/usercache.php

tests/lib/files/cache/updaterlegacy.php