* ggml-webgpu: Add MMVQ path for Q4/Q8/Q2_K/Q4_K * Fix to editorconfig checking pass * Remove mul-mat-legacy pipeline * Fix to use vendor name as is and add dot_product/vendor to shader_lib_ctx
* ggml-webgpu: Add MMVQ path for Q4/Q8/Q2_K/Q4_K * Fix to editorconfig checking pass * Remove mul-mat-legacy pipeline * Fix to use vendor name as is and add dot_product/vendor to shader_lib_ctx