Small speed up to async_listen (#103307)

Avoid constructing an inner function each time we call async_listen
and use a partial which holds a reference to the function body with new
args instead of making another full function

homeassistant/core.py

@@ -1176,12 +1176,9 @@ class EventBus:
         self, event_type: str, filterable_job: _FilterableJobType
     ) -> CALLBACK_TYPE:
         self._listeners.setdefault(event_type, []).append(filterable_job)
-
-        def remove_listener() -> None:
-            """Remove the listener."""
-            self._async_remove_listener(event_type, filterable_job)
-
-        return remove_listener
+        return functools.partial(
+            self._async_remove_listener, event_type, filterable_job
+        )
 
     def listen_once(
         self,