First round of dead file removal

experimental/webgtt/algorithms.cc

-// Copyright (c) 2011 The Native Client Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be found
-// in the LICENSE file.
-
-#include "webgtt/algorithms.h"
-
-#include <sstream>
-#include <vector>
-
-#include "webgtt/graph.h"
-
-namespace webgtt {
-
-std::string GetColoring(const graph::Graph& input_graph) {
-  std::vector<int> vertex_colors = input_graph.GetColoring();
-  // Format the message to be sent back to the browser.
-  std::ostringstream answer;
-  for (size_t i = 0; i < vertex_colors.size(); ++i) {
-    answer << vertex_colors[i];
-    if (i != vertex_colors.size() - 1) {
-      answer << ',';
-    }
-  }
-  return answer.str();
-}
-
-}  // namespace webgtt