Fix unused type ignores with new mypy

Signed-off-by: Michał Górny <mgorny@quansight.com>

Author: mgorny

variantlib/validators/base.py

@@ -100,7 +100,7 @@ def _validate_type(value: Any, expected_type: type) -> type | None:
             if incorrect_key_types or incorrect_value_types:
                 key_ored = Union.__getitem__((key_type, *incorrect_key_types))
                 value_ored = Union.__getitem__((value_type, *incorrect_value_types))
-                return list_type[key_ored, value_ored]  # type: ignore[no-any-return,index]
+                return list_type[key_ored, value_ored]
 
         else:
             (item_type,) = get_args(expected_type)
@@ -110,7 +110,7 @@ def _validate_type(value: Any, expected_type: type) -> type | None:
                 incorrect_types.discard(None)
                 if incorrect_types:
                     ored = Union.__getitem__((item_type, *incorrect_types))
-                    return list_type[ored]  # type: ignore[no-any-return,index]
+                    return list_type[ored]
 
     # Protocols and Iterable must enable subclassing to pass
     elif issubclass(expected_type, (Protocol, Iterable)):  # type: ignore[arg-type]