Remove default value

spacy/language.py

@@ -1674,10 +1674,7 @@ class Language:
         return nlp
 
     def replace_listeners(
-        self,
-        tok2vec_name: str,
-        pipe_name: str,
-        listeners: Iterable[str] = SimpleFrozenList(),
+        self, tok2vec_name: str, pipe_name: str, listeners: Iterable[str],
     ) -> None:
         """Find listener layers (connecting to a token-to-vector embedding
         component) of a given pipeline component model and replace