Remove unused dh.dtype_to_scalars

Author: honno

array_api_tests/dtype_helpers.py

@@ -29,7 +29,6 @@
     "all_float_dtypes",
     "bool_and_all_int_dtypes",
     "dtype_to_name",
-    "dtype_to_scalars",
     "kind_to_dtypes",
     "is_int_dtype",
     "is_float_dtype",
@@ -143,15 +142,6 @@ def _make_dtype_tuple_from_names(names: List[str]) -> Tuple[DataType]:
 bool_and_all_int_dtypes = (xp.bool,) + all_int_dtypes
 
 
-dtype_to_scalars = EqualityMapping(
-    [
-        (xp.bool, [bool]),
-        *[(d, [int]) for d in all_int_dtypes],
-        *[(d, [int, float]) for d in float_dtypes],
-    ]
-)
-
-
 kind_to_dtypes = {
     "bool": [xp.bool],
     "signed integer": int_dtypes,