Fix usage_prediction incorrectly accessing target fields (home-assistant#156937)

Author: karwosts

homeassistant/components/usage_prediction/common_control.py

@@ -144,13 +144,7 @@ async def async_predict_common_control(
         if not service_data:
             continue
 
-        entity_ids: str | list[str] | None
-        if (target := service_data.get("target")) and (
-            target_entity_ids := target.get("entity_id")
-        ):
-            entity_ids = target_entity_ids
-        else:
-            entity_ids = service_data.get("entity_id")
+        entity_ids: str | list[str] | None = service_data.get("entity_id")
 
         # No entity IDs found, skip this event
         if entity_ids is None: