drop organization_avatar_id since it's not globally unique

Author: lynnagara

src/sentry/migrations/1068_add_organization_avatar_replica.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.2.12 on 2026-04-15 23:56
+# Generated by Django 5.2.12 on 2026-04-16 00:06
 
 import sentry.db.models.fields.bounded
 import sentry.db.models.fields.hybrid_cloud_foreign_key
@@ -36,15 +36,6 @@ class Migration(CheckedMigration):
                         primary_key=True, serialize=False
                     ),
                 ),
-                (
-                    "organization_avatar_id",
-                    sentry.db.models.fields.hybrid_cloud_foreign_key.HybridCloudForeignKey(
-                        "sentry.OrganizationAvatar",
-                        db_index=True,
-                        on_delete="CASCADE",
-                        unique=True,
-                    ),
-                ),
                 (
                     "organization_id",
                     sentry.db.models.fields.hybrid_cloud_foreign_key.HybridCloudForeignKey(

src/sentry/models/organizationavatarreplica.py

@@ -11,9 +11,6 @@
 class OrganizationAvatarReplica(Model):
     __relocation_scope__ = RelocationScope.Excluded
 
-    organization_avatar_id = HybridCloudForeignKey(
-        "sentry.OrganizationAvatar", on_delete="CASCADE", unique=True
-    )
     organization_id = HybridCloudForeignKey("sentry.Organization", on_delete="CASCADE", unique=True)
     avatar_type = models.PositiveSmallIntegerField(default=0)
     avatar_ident = models.CharField(max_length=32)