remove redundant error message

Signed-off-by: Yukun He <[email protected]>

Author: hyukn

cpp/tensorrt_llm/thop/allreduceOp.cpp

@@ -988,33 +988,8 @@ class AllreduceOp
     bool ifFallbackToNCCL(size_t seq_len, size_t message_size_bytes, size_t max_workspace_size, bool is_auto)
     {
         // If messageSize is less than maxWorkspaceSize, use NCCL, regardless of the fusion type.
-        if (message_size_bytes > max_workspace_size)
+        if (message_size_bytes > max_workspace_size || !mIsP2PSupported || !mIsNVLINKSupported)
         {
-            if (!is_auto)
-            {
-                TLLM_LOG_WARNING(
-                    "Since messageSize is greater than maxWorkspaceSize, fallback to AllReduceStrategy: NCCL");
-            }
-            return true;
-        }
-
-        // If Peer to Peer is not supported, fallback to NCCL.
-        if (!mIsP2PSupported)
-        {
-            if (!is_auto)
-            {
-                TLLM_LOG_WARNING("Since Peer to Peer not supported, fallback to AllReduceStrategy: NCCL");
-            }
-            return true;
-        }
-
-        // If NVLINK is not supported, fallback to NCCL.
-        if (!mIsNVLINKSupported)
-        {
-            if (!is_auto)
-            {
-                TLLM_LOG_WARNING("Since NVLINK not supported, fallback to AllReduceStrategy: NCCL");
-            }
             return true;
         }
         return false;