Remove leaky lru_cache

AUTHORS.rst

@@ -174,3 +174,4 @@ Contributors (chronological)
 - Aditya Tewary `@aditkumar72 <https://github.com/aditkumar72>`_
 - Sebastien Lovergne `@TheBigRoomXXL <https://github.com/TheBigRoomXXL>`_
 - Peter C `@somethingnew2-0 <https://github.com/somethingnew2-0>`_
+- Marcel Jackwerth `@mrcljx` <https://github.com/mrcljx>`_

src/marshmallow/schema.py

@@ -13,7 +13,6 @@
 from abc import ABCMeta
 from collections import OrderedDict, defaultdict
 from collections.abc import Mapping
-from functools import lru_cache
 
 from marshmallow import base, class_registry, types
 from marshmallow import fields as ma_fields
@@ -1056,7 +1055,6 @@ def _bind_field(self, field_name: str, field_obj: ma_fields.Field) -> None:
             raise error
         self.on_bind_field(field_name, field_obj)
 
-    @lru_cache(maxsize=8)  # noqa (https://github.com/PyCQA/flake8-bugbear/issues/310)
     def _has_processors(self, tag) -> bool:
         return bool(self._hooks[(tag, True)] or self._hooks[(tag, False)])