Remove SkThread::setProcessorAffinity()

src/utils/SkThreadUtils.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkThreadUtils_DEFINED
 #define SkThreadUtils_DEFINED
 
@@ skipping 14 matching lines @@
      * Starts the thread. Returns false if the thread could not be started.
      */
     bool start();
 
     /**
      * Waits for the thread to finish.
      * If the thread has not started, returns immediately.
      */
     void join();
 
-    /**
-     * SkThreads with an affinity for the same processor will attempt to run cache
-     * locally with each other. SkThreads with an affinity for different processors
-     * will attempt to run on different cores. Returns false if the request failed.
-     */
-    bool setProcessorAffinity(unsigned int processor);
-
 private:
     void* fData;
 };
 
 #endif