Remove a bunch of unused code

mypy_django_plugin/django/context.py

@@ -270,10 +270,6 @@ def all_registered_model_classes(self) -> Set[Type[models.Model]]:
     def all_registered_model_class_fullnames(self) -> Set[str]:
         return {helpers.get_class_fullname(cls) for cls in self.all_registered_model_classes}
 
-    def get_attname(self, field: "Field[Any, Any]") -> str:
-        attname = field.attname
-        return attname
-
     def get_field_nullability(self, field: Union["Field[Any, Any]", ForeignObjectRel], method: Optional[str]) -> bool:
         if method in ("values", "values_list"):
             return field.null

mypy_django_plugin/lib/helpers.py

@@ -67,10 +67,6 @@ class IncompleteDefnException(Exception):
     pass
 
 
-def is_toml(filename: str) -> bool:
-    return filename.lower().endswith(".toml")
-
-
 def lookup_fully_qualified_sym(fullname: str, all_modules: Dict[str, MypyFile]) -> Optional[SymbolTableNode]:
     if "." not in fullname:
         return None

mypy_django_plugin/transformers/models.py

@@ -289,15 +289,6 @@ def run_with_model_cls(self, model_cls: Type[Model]) -> None:
 
 
 class AddManagers(ModelClassInitializer):
-    def has_any_parametrized_manager_as_base(self, info: TypeInfo) -> bool:
-        for base in helpers.iter_bases(info):
-            if self.is_any_parametrized_manager(base):
-                return True
-        return False
-
-    def is_any_parametrized_manager(self, typ: Instance) -> bool:
-        return typ.type.fullname in fullnames.MANAGER_CLASSES and isinstance(typ.args[0], AnyType)
-
     def lookup_manager(self, fullname: str, manager: "Manager[Any]") -> Optional[TypeInfo]:
         manager_info = self.lookup_typeinfo(fullname)
         if manager_info is None: