message: toolkit: Remove unused member in sst rdma_dp implementation
diff: @@ -373,7 +373,6 @@ typedef struct _RdmaCompletionHandle
  size_t Length;
  int Rank;
  int Pending;
  - double StartWTime;
  } * RdmaCompletionHandle;
  static DP_WS_Stream RdmaInitWriter(CP_Services Svcs, void *CP_Stream,
  @@ -637,7 +636,6 @@ static void *RdmaReadRemoteMemory(CP_Services Svcs, DP_RS_Stream Stream_v,
  do
  {
  - ret->StartWTime = MPI_Wtime();
  rc = fi_read(Fabric->signal, Buffer, Length, LocalDesc, SrcAddress,
  (uint64_t)Addr, Info->Key, ret);
  } while (rc == -EAGAIN);
  