⚰️ remove unnecessary cast (#272)

Author: guan404ming

test/runtime/accept/shape.py

@@ -1,4 +1,4 @@
-from typing import Any, NamedTuple, cast
+from typing import Any, NamedTuple
 
 import numpy as np
 
@@ -9,16 +9,6 @@ class XYGrid(NamedTuple):
     y_axis: int
 
 
-# TODO: remove this cast after: https://github.com/numpy/numpy/pull/27171
-arr: np.ndarray[XYGrid, Any] = cast(
-    "np.ndarray[XYGrid, Any]",
-    np.empty(XYGrid(2, 2)),
-)
-
-
 # Test variance of _ShapeType_co
 def accepts_2d(a: np.ndarray[tuple[int, int], Any]) -> None:
     return None
-
-
-accepts_2d(arr)