Fix: removed invalid command from migration script.

Vacuum command may not be executed within transaction.

migrations-events/versions/0f31c168a714_split_event_column_from_events_to_.py

@@ -29,13 +29,6 @@ def upgrade():  # pylint: disable=locally-disabled,missing-docstring
     op.execute(  # pylint: disable=locally-disabled,no-member
         "ALTER TABLE events DROP COLUMN IF EXISTS event"
     )
-    # Perform cleanup.
-    op.execute(  # pylint: disable=locally-disabled,no-member
-        "VACUUM FREEZE"
-    )
-    op.execute(  # pylint: disable=locally-disabled,no-member
-        "CLUSTER events USING events_detecttime_idx"
-    )
 
 
 def downgrade():  # pylint: disable=locally-disabled,missing-docstring
@@ -51,10 +44,3 @@ def downgrade():  # pylint: disable=locally-disabled,missing-docstring
     op.execute(  # pylint: disable=locally-disabled,no-member
         "DROP TABLE IF EXISTS events_json"
     )
-    # Perform cleanup.
-    op.execute(  # pylint: disable=locally-disabled,no-member
-        "VACUUM FREEZE"
-    )
-    op.execute(  # pylint: disable=locally-disabled,no-member
-        "CLUSTER events USING events_detecttime_idx"
-    )