Temporarily disable test_awq_gemm_opcheck (vllm-project#14251)

Signed-off-by: mgoin <mgoin64@gmail.com>
Signed-off-by: Louis Ulmer <ulmerlouis@gmail.com>

Author: mgoin

tests/kernels/test_awq.py

@@ -26,6 +26,7 @@ def test_awq_dequantize_opcheck():
             (qweight, scales, zeros, split_k_iters, thx, thy))
 
 
+@pytest.mark.skip(reason="Not working; needs investigation.")
 @pytest.mark.skipif(not hasattr(torch.ops._C, "awq_gemm"),
                     reason="AWQ is not supported on this GPU type.")
 def test_awq_gemm_opcheck():