Update on "[ET-VK][int4] patch 4-bit linear op for ensuring w-packed in/out"

If the partitioner is using channels-packed setting for activations, then the checks will throw.

Remove the checks and conditionally re-pack the input/output tensors if they are not width-packed.

Differential Revision: [D68813946](https://our.internmc.facebook.com/intern/diff/D68813946/)

[ghstack-poisoned]

Author: Nathanael See

backends/vulkan/runtime/graph/ops/impl/QuantizedLinear.cpp

@@ -352,7 +352,8 @@ void add_q_4w_linear_node(
       local_wg_size,
       // Inputs and Outputs
       {{out_W_packed, vkapi::MemoryAccessType::WRITE},
-       {{mat1_W_packed, mat2, scales_and_zeros}, vkapi::MemoryAccessType::READ}},
+       {{mat1_W_packed, mat2, scales_and_zeros}, 
+       vkapi::MemoryAccessType::READ}},
       // Shader params buffers
       ubos,
       // Specialization Constants