[Bugfix] Remove contiguous output req for context parallel MLA (vllm-project#25414)

Signed-off-by: Michael Goin <mgoin64@gmail.com>
Signed-off-by: charlifu <charlifu@amd.com>

Author: mgoin

vllm/attention/ops/common.py

@@ -134,6 +134,5 @@ def cp_lse_ag_out_rs(cp_attn_out: torch.Tensor,
     cp_attn_lse = cp_attn_lse.contiguous()
     lses = cp_group.all_gather(cp_attn_lse, dim=0).view_as(lses)
     out, _ = correct_attn_out(cp_attn_out, lses, cp_group.rank_in_group, ctx)
-    assert out.is_contiguous()
     out = cp_group.reduce_scatter(out, dim=1)
     return out