Revert "Add mixed integer precision test for op_mul (#11206)"

This reverts commit 3a4ec6e.

Author: JacobSzwejbka

kernels/test/op_mul_test.cpp

@@ -746,21 +746,6 @@ TEST_F(OpMulOutTest, DynamicShapeUnbound) {
   EXPECT_TENSOR_CLOSE(out, expected_result);
 }
 
-// >>> torch.ops.aten.mul(torch.tensor([100], dtype=torch.int8),
-// torch.tensor([100], dtype=torch.int8), out=torch.zeros([1],
-// dtype=torch.long)) tensor([16])
-TEST_F(OpMulOutTest, MixedIntegerDtypeMatchesATen) {
-  TensorFactory<ScalarType::Char> tf_in;
-  TensorFactory<ScalarType::Long> tf_out;
-
-  Tensor in = tf_in.make({1}, {100});
-  Tensor out = tf_out.zeros({1});
-  Tensor ret = op_mul_out(in, in, out);
-
-  Tensor expected = tf_out.make({1}, {16});
-  EXPECT_TENSOR_CLOSE(out, expected);
-}
-
 TEST_F(OpMulScalarOutTest, SanityCheck) {
   TensorFactory<ScalarType::Bool> tf_a;
   TensorFactory<ScalarType::Float> tf_out;