remove unused GM flags

gm/selftest.cpp

Index: gm/selftest.cpp
diff --git a/gm/selftest.cpp b/gm/selftest.cpp
index a332c5d15d5c853e48530c4bd7e3c325cba44224..332a0cd27503849d3eb88ede816d81a53076568c 100644
--- a/gm/selftest.cpp
+++ b/gm/selftest.cpp
@@ -16,8 +16,8 @@
 
 class SelfTestGM : public skiagm::GM {
 public:
-    SelfTestGM(const char name[], SkColor color, uint32_t flags) :
-        fName(name), fColor(color), fFlags(flags) {}
+    SelfTestGM(const char name[], SkColor color) :
+        fName(name), fColor(color) {}
     const static int kWidth = 300;
     const static int kHeight = 200;
 
@@ -35,12 +35,9 @@ protected:
         canvas->drawRectCoords(0, 0, SkIntToScalar(kWidth), SkIntToScalar(kHeight), paint);
     }
 
-    virtual uint32_t onGetFlags() const { return fFlags; }
-
 private:
     const SkString fName;
     const SkColor fColor;
-    const uint32_t fFlags;
 };
 
 //////////////////////////////////////////////////////////////////////////////
@@ -52,10 +49,10 @@ static SkColor kTranslucentGreen = 0x7700EE00;
 static SkColor kTranslucentBlue  = 0x770000DD;
 
 static skiagm::GM* F1(void*) {
-    return new SelfTestGM("selftest1", kTranslucentGreen, 0);
+    return new SelfTestGM("selftest1", kTranslucentGreen);
 }
 static skiagm::GM* F2(void*) {
-    return new SelfTestGM("selftest2", kTranslucentBlue,  skiagm::GM::kSkipPipe_Flag);
+    return new SelfTestGM("selftest2", kTranslucentBlue);
 }
 
 static skiagm::GMRegistry gR1(F1);