TYP: remove TYPE_CHECKING guard from _typing

Author: lucascolley

src/array_api_extra/_typing.py

@@ -1,9 +1,8 @@
 from __future__ import annotations
 
 from types import ModuleType
-from typing import TYPE_CHECKING, Any
+from typing import Any
 
-if TYPE_CHECKING:
-    Array = Any  # To be changed to a Protocol later (see array-api#589)
+Array = Any  # To be changed to a Protocol later (see array-api#589)
 
 __all__ = ["Array", "ModuleType"]