ref: remove noop objects = BaseManager() assignments (#59101)

the default `Model` gives us this for free -- this is needed to upgrade
django-stubs + mypy

Author: asottile-sentry

src/sentry/models/groupbookmark.py

@@ -3,13 +3,7 @@
 from django.utils import timezone
 
 from sentry.backup.scopes import RelocationScope
-from sentry.db.models import (
-    BaseManager,
-    FlexibleForeignKey,
-    Model,
-    region_silo_only_model,
-    sane_repr,
-)
+from sentry.db.models import FlexibleForeignKey, Model, region_silo_only_model, sane_repr
 from sentry.db.models.fields.hybrid_cloud_foreign_key import HybridCloudForeignKey
 
 
@@ -28,8 +22,6 @@ class GroupBookmark(Model):
     user_id = HybridCloudForeignKey(settings.AUTH_USER_MODEL, on_delete="CASCADE")
     date_added = models.DateTimeField(default=timezone.now, null=True)
 
-    objects = BaseManager()
-
     class Meta:
         app_label = "sentry"
         db_table = "sentry_groupbookmark"

src/sentry/models/groupemailthread.py

@@ -2,13 +2,7 @@
 from django.utils import timezone
 
 from sentry.backup.scopes import RelocationScope
-from sentry.db.models import (
-    BaseManager,
-    FlexibleForeignKey,
-    Model,
-    region_silo_only_model,
-    sane_repr,
-)
+from sentry.db.models import FlexibleForeignKey, Model, region_silo_only_model, sane_repr
 
 
 @region_silo_only_model
@@ -28,8 +22,6 @@ class GroupEmailThread(Model):
     msgid = models.CharField(max_length=100)
     date = models.DateTimeField(default=timezone.now, db_index=True)
 
-    objects = BaseManager()
-
     class Meta:
         app_label = "sentry"
         db_table = "sentry_groupemailthread"

src/sentry/models/groupshare.py

@@ -5,13 +5,7 @@
 from django.utils import timezone
 
 from sentry.backup.scopes import RelocationScope
-from sentry.db.models import (
-    BaseManager,
-    FlexibleForeignKey,
-    Model,
-    region_silo_only_model,
-    sane_repr,
-)
+from sentry.db.models import FlexibleForeignKey, Model, region_silo_only_model, sane_repr
 from sentry.db.models.fields.hybrid_cloud_foreign_key import HybridCloudForeignKey
 
 
@@ -34,8 +28,6 @@ class GroupShare(Model):
     user_id = HybridCloudForeignKey(settings.AUTH_USER_MODEL, on_delete="CASCADE", null=True)
     date_added = models.DateTimeField(default=timezone.now)
 
-    objects = BaseManager()
-
     class Meta:
         app_label = "sentry"
         db_table = "sentry_groupshare"

src/sentry/models/projectbookmark.py

@@ -3,13 +3,7 @@
 from django.utils import timezone
 
 from sentry.backup.scopes import RelocationScope
-from sentry.db.models import (
-    BaseManager,
-    FlexibleForeignKey,
-    Model,
-    region_silo_only_model,
-    sane_repr,
-)
+from sentry.db.models import FlexibleForeignKey, Model, region_silo_only_model, sane_repr
 from sentry.db.models.fields.hybrid_cloud_foreign_key import HybridCloudForeignKey
 from sentry.models.project import Project
 
@@ -26,8 +20,6 @@ class ProjectBookmark(Model):
     user_id = HybridCloudForeignKey(settings.AUTH_USER_MODEL, on_delete="CASCADE")
     date_added = models.DateTimeField(default=timezone.now, null=True)
 
-    objects = BaseManager()
-
     class Meta:
         app_label = "sentry"
         db_table = "sentry_projectbookmark"

src/sentry/models/rawevent.py

@@ -3,7 +3,6 @@
 
 from sentry.backup.scopes import RelocationScope
 from sentry.db.models import FlexibleForeignKey, Model, NodeField, region_silo_only_model, sane_repr
-from sentry.db.models.manager import BaseManager
 from sentry.utils.canonical import CanonicalKeyView
 
 
@@ -22,8 +21,6 @@ class RawEvent(Model):
         blank=True, null=True, ref_func=ref_func, ref_version=1, wrapper=CanonicalKeyView
     )
 
-    objects = BaseManager()
-
     class Meta:
         app_label = "sentry"
         db_table = "sentry_rawevent"

src/sentry/models/reprocessingreport.py

@@ -2,13 +2,7 @@
 from django.utils import timezone
 
 from sentry.backup.scopes import RelocationScope
-from sentry.db.models import (
-    BaseManager,
-    FlexibleForeignKey,
-    Model,
-    region_silo_only_model,
-    sane_repr,
-)
+from sentry.db.models import FlexibleForeignKey, Model, region_silo_only_model, sane_repr
 
 
 @region_silo_only_model
@@ -19,8 +13,6 @@ class ReprocessingReport(Model):
     event_id = models.CharField(max_length=32, null=True)
     datetime = models.DateTimeField(default=timezone.now)
 
-    objects = BaseManager()
-
     class Meta:
         app_label = "sentry"
         db_table = "sentry_reprocessingreport"