remove legacy mypy config file

Author: ianare

mypy.ini

@@ -65,10 +65,10 @@ disallow_any_unimported = true
 disallow_subclassing_any = true
 disallow_untyped_calls = true
 disallow_untyped_decorators = true
-disallow_untyped_defs = true
+# disallow_untyped_defs = true
 no_implicit_optional = true
 strict_equality = true
 warn_no_return = true
-warn_return_any = true
+# warn_return_any = true
 warn_unused_ignores = true
 warn_unreachable = true