Retroactively add a migration for botmod removal

migrations/v2_5_0_promoted.py

@@ -0,0 +1,20 @@
+"""
+  This script deletes botmods (promoted) from config as this is no longer supported
+"""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+  from config import Config
+
+
+def migrate(config:Config):
+  print(" - Deleting all botmod data...")
+
+  for key in config['confessions']:
+    if key.endswith('_promoted'):
+      config.remove_option('confessions', key)
+
+  print(" - Shuffle deletion complete!")