rm unused variable (#143)

1edf680c · formath · Tianqi Chen · d927cb65 · 1edf680c
Commit 1edf680c authored Aug 25, 2017 by formath Committed by Tianqi Chen May 29, 2018
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nnvm/src/core/graph.cc
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--- a/nnvm/src/core/graph.cc
+++ b/nnvm/src/core/graph.cc
@@ -59,7 +59,6 @@ IndexedGraph::IndexedGraph(const Graph &g) {
  }

  static auto& fmutate_inputs = Op::GetAttr<FMutateInputs>("FMutateInputs");
-  std::unordered_set<uint32_t> mutable_inputs;
  // setup array view
  // input_entries_ and control_rptr must not change after this step.
  const NodeEntry* iptr = dmlc::BeginPtr(input_entries_);