[turbofan] Remove obsolete unique.h includes in TurboFan.

src/compiler/node-matchers.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_NODE_MATCHERS_H_
 #define V8_COMPILER_NODE_MATCHERS_H_
 
 #include <cmath>
 
 // TODO(turbofan): Move ExternalReference out of assembler.h
 #include "src/assembler.h"
 #include "src/compiler/node.h"
 #include "src/compiler/operator.h"
-#include "src/unique.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // A pattern matcher for nodes.
 struct NodeMatcher {
   explicit NodeMatcher(Node* node) : node_(node) {}
 
   Node* node() const { return node_; }
@@ skipping 584 matching lines @@
   Node* branch_;
   Node* if_true_;
   Node* if_false_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_NODE_MATCHERS_H_