remove team.org_role once and for all

Author: cathteng

src/sentry/backup/imports.py

@@ -59,11 +59,7 @@
 # around even if the dict is empty, to ensure that there is a ready place to pop shims into. For
 # each entry in this dict, please leave a TODO comment pointed to a github issue for removing
 # the shim, noting in the comment which self-hosted release will trigger the removal.
-DELETED_FIELDS: dict[
-    str, set[str]
-] = {  # TODO(getsentry/sentry#66247): Remove once self-hosted 24.4.0 is released.
-    "sentry.team": {"org_role"}
-}
+DELETED_FIELDS: dict[str, set[str]] = {}
 
 
 class ImportingError(Exception):