permissions: move allow system process to manage files in migrator-kit

This reverts commit 741c1c9.

site/cds_rdm/permissions.py

@@ -12,9 +12,9 @@
 from invenio_preservation_sync.services.permissions import (
     DefaultPreservationInfoPermissionPolicy,
 )
-from invenio_rdm_records.services.generators import IfNewRecord, IfRecordDeleted
+from invenio_rdm_records.services.generators import IfRecordDeleted
 from invenio_rdm_records.services.permissions import RDMRecordPermissionPolicy
-from invenio_records_permissions.generators import IfConfig, SystemProcess
+from invenio_records_permissions.generators import SystemProcess
 from invenio_users_resources.services.permissions import UserManager
 
 from .generators import Archiver, AuthenticatedRegularUser, CERNEmailsGroups
@@ -53,21 +53,6 @@ class CDSRDMRecordPermissionPolicy(RDMRecordPermissionPolicy):
         )
     ]
 
-    can_manage_files = [
-        IfConfig(
-            "RDM_ALLOW_METADATA_ONLY_RECORDS",
-            then_=[
-                IfNewRecord(
-                    then_=RDMRecordPermissionPolicy.can_authenticated,
-                    else_=RDMRecordPermissionPolicy.can_review,
-                )
-            ],
-            else_=[
-                SystemProcess()
-            ],  # needed for migrating records with no files as metadata-only
-        ),
-    ]
-
 
 class CDSRDMPreservationSyncPermissionPolicy(DefaultPreservationInfoPermissionPolicy):
     """PreservationSync permission policy."""