create schema editor from class attribute

Author: Jannik Waschkau

sql_server/pyodbc/base.py

@@ -397,10 +397,6 @@ def is_usable(self):
         else:
             return True
 
-    def schema_editor(self, *args, **kwargs):
-        "Returns a new instance of this backend's SchemaEditor"
-        return DatabaseSchemaEditor(self, *args, **kwargs)
-
     @cached_property
     def sql_server_version(self, _known_versions={}):
         """