Fix: PYI044 'from __future__ import annotations' has no effect in stub files, since type checkers automatically treat stubs as having those semantics

Author: hugovk

src/PIL/_imaging.pyi

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from typing import Any
 
 def __getattr__(name: str) -> Any: ...

src/PIL/_webp.pyi

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from typing import Any
 
 def __getattr__(name: str) -> Any: ...