Update __init__.py

Removed redundant `Generic` import from `chess/__init__.py`

Author: mentix02

chess/__init__.py

@@ -22,7 +22,7 @@
 import itertools
 import typing
 
-from typing import ClassVar, Callable, Counter, Dict, Generic, Hashable, Iterable, Iterator, List, Literal, Mapping, Optional, SupportsInt, Tuple, Type, TypeVar, Union
+from typing import ClassVar, Callable, Counter, Dict, Hashable, Iterable, Iterator, List, Literal, Mapping, Optional, SupportsInt, Tuple, Type, TypeVar, Union
 
 if typing.TYPE_CHECKING:
     from typing_extensions import Self, TypeAlias