[CI Perf]Prune Tests in kernel/mamba (#26538)

Signed-off-by: Fardin Hoque <kfhfar@amazon.com>
Signed-off-by: Wentao Ye <44945378+yewentao256@users.noreply.github.com>
Co-authored-by: Wentao Ye <44945378+yewentao256@users.noreply.github.com>

tests/kernels/mamba/test_mamba_mixer2.py

@@ -25,7 +25,6 @@ from vllm.utils import update_environment_variables
         (64, 1),
         (64, 2),
         (64, 4),  # hidden_size be divisible by num_gpus
-        (100, 5),  # and n_groups must divide hidden_size
     ],
 )
 @pytest.mark.parametrize("dtype", [torch.float16])