Update on "[ET-VK][Ops] dequantize_per_tensor.tensor variant"

# Context

We need a tensor variant for dequantize/quantize operators since that is the expected output of choose_qparams.

# Changes

This extends the logic that currently exists to support a tensor variant for scales and zeros.

Differential Revision: [D77746135](https://our.internmc.facebook.com/intern/diff/D77746135/)

[ghstack-poisoned]

Author: morelos

backends/vulkan/test/op_tests/quantize_test.cpp

@@ -645,48 +645,6 @@ void test_vulkan_quantize_per_tensor_tensor(
       vkcompute::utils::kTexture3D);
 }
 
-// Wrapper function to test both buffer and texture storage types
-void test_vulkan_quantize_per_channel(
-    const std::vector<int>& input_sizes,
-    const std::vector<float>& scales,
-    const std::vector<int>& zero_points,
-    int64_t axis,
-    int64_t quant_min,
-    int64_t quant_max,
-    at::ScalarType in_dtype = at::kFloat,
-    at::ScalarType dtype = at::kInt) {
-  // Test with buffer storage
-  test_vulkan_quantize_per_channel_impl(
-      input_sizes,
-      scales,
-      zero_points,
-      axis,
-      quant_min,
-      quant_max,
-      in_dtype,
-      dtype,
-      vkcompute::utils::kBuffer,
-      vkcompute::utils::kBuffer);
-
-  // If the in_dtype is a double, convert to float for texture implementation
-  // since they don't support 64bit as inputs
-  if (in_dtype == at::kDouble) {
-    in_dtype = at::kFloat;
-  }
-
-  test_vulkan_quantize_per_channel_impl(
-      input_sizes,
-      scales,
-      zero_points,
-      axis,
-      quant_min,
-      quant_max,
-      in_dtype,
-      dtype,
-      vkcompute::utils::kTexture3D,
-      vkcompute::utils::kTexture3D);
-}
-
 void test_reference_quantize_per_tensor(
     const std::vector<int>& input_sizes,
     float scale,