Update OCA\Encryption to OCA\Files_Encryption in the encryption app itself

apps/files_encryption/ajax/adminrecovery.php

apps/files_encryption/ajax/changeRecoveryPassword.php

apps/files_encryption/ajax/getMigrationStatus.php

apps/files_encryption/ajax/updatePrivateKeyPassword.php

apps/files_encryption/ajax/userrecovery.php

apps/files_encryption/appinfo/app.php

apps/files_encryption/appinfo/routes.php

apps/files_encryption/files/error.php

apps/files_encryption/lib/crypt.php

apps/files_encryption/lib/helper.php

apps/files_encryption/lib/hooks.php

apps/files_encryption/lib/keymanager.php

apps/files_encryption/lib/migration.php

apps/files_encryption/lib/proxy.php

apps/files_encryption/lib/session.php

apps/files_encryption/lib/stream.php

apps/files_encryption/lib/util.php

apps/files_encryption/settings-admin.php

apps/files_encryption/settings-personal.php

apps/files_encryption/templates/invalid_private_key.php