Remove unused imports

Author: steff456

spec/API_specification/signatures/data_types.py

@@ -1,4 +1,4 @@
-from ._types import List, Tuple, Union, array, dtype
+from ._types import dtype
 
 def __eq__(self: dtype, other: dtype, /) -> bool:
     """
@@ -17,4 +17,4 @@ def __eq__(self: dtype, other: dtype, /) -> bool:
         a boolean indicating whether the data type objects are equal.
     """
 
-all = [__eq__]
+all = [__eq__]