remove unused GM flags

gm/hairlines.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkTArray.h"
 
 namespace skiagm {
 
 class HairlinesGM : public GM {
 protected:
-    uint32_t onGetFlags() const SK_OVERRIDE {
-        return kSkipTiled_Flag;
-    }
 
 
     SkString onShortName() SK_OVERRIDE {
         return SkString("hairlines");
     }
 
     SkISize onISize() SK_OVERRIDE { return SkISize::Make(1250, 1250); }
 
     void onOnceBeforeDraw() SK_OVERRIDE {
         {
@@ skipping 190 matching lines @@
     SkTArray<SkPath> fPaths;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new HairlinesGM; }
 static GMRegistry reg(MyFactory);
 
 }