chore(deletions): Drop deletions custom task for group history (#102716)

The bulk deletion added in #102580 with #102672 is working well.

Author: armenzg

src/sentry/deletions/__init__.py

@@ -3,8 +3,6 @@
 import functools
 from typing import TYPE_CHECKING, Any
 
-from sentry import options
-
 if TYPE_CHECKING:
     from sentry.db.models.base import Model
     from sentry.deletions.base import BaseDeletionTask
@@ -66,10 +64,7 @@ def load_defaults(manager: DeletionTaskManager) -> None:
     manager.register(models.GroupEnvironment, BulkModelDeletionTask)
     manager.register(models.GroupHash, defaults.GroupHashDeletionTask)
     manager.register(models.GroupHashMetadata, BulkModelDeletionTask)
-    if options.get("deletions.group-history.use-bulk-deletion"):
-        manager.register(models.GroupHistory, BulkModelDeletionTask)
-    else:
-        manager.register(models.GroupHistory, defaults.GroupHistoryDeletionTask)
+    manager.register(models.GroupHistory, BulkModelDeletionTask)
     manager.register(models.GroupLink, BulkModelDeletionTask)
     manager.register(models.GroupMeta, BulkModelDeletionTask)
     manager.register(models.GroupRedirect, BulkModelDeletionTask)

src/sentry/deletions/defaults/__init__.py

@@ -11,7 +11,6 @@
 from .file import *  # noqa: F401,F403
 from .group import *  # noqa: F401,F403
 from .grouphash import *  # noqa: F401,F403
-from .grouphistory import *  # noqa: F401,F403
 from .incident import *  # noqa: F401,F403
 from .monitor import *  # noqa: F401,F403
 from .monitor_environment import *  # noqa: F401,F403

src/sentry/deletions/defaults/grouphistory.py

@@ -349,13 +349,6 @@
     flags=FLAG_AUTOMATOR_MODIFIABLE,
 )
 
-register(
-    "deletions.group-history.use-bulk-deletion",
-    default=False,
-    type=Bool,
-    flags=FLAG_AUTOMATOR_MODIFIABLE,
-)
-
 register(
     "cleanup.abort_execution",
     default=False,