rm hack from #19034

Signed-off-by: Tyler Michael Smith <tysmith@redhat.com>

Author: tlrmchlsmth

vllm/distributed/device_communicators/all2all.py

@@ -84,10 +84,6 @@ def __init__(self, cpu_group):
         assert has_pplx, "pplx_kernels not found. Please follow https://github.com/vllm-project/vllm/blob/main/tools/ep_kernels/README.md to install pplx_kernels."  # noqa
         super().__init__(cpu_group)
 
-        # TODO(tms): Disable pplx-a2a intranode as it fails with the error:
-        # failed: cuda error /app/pplx/csrc/all_to_all/intranode.cpp:84 'invalid resource handle' # noqa
-        self.internode = True
-
         if self.internode:
             # inter-node communication needs nvshmem,
             # intra-node communication uses p2p mapping directly