Revert of Add samples to Viewer.

samplecode/ClockFaceView.cpp

Index: samplecode/ClockFaceView.cpp
diff --git a/samplecode/ClockFaceView.cpp b/samplecode/ClockFaceView.cpp
index 9cee95b84c36fd19829afa98faa1df90959f18f6..ef0fec75774034849bdfe84f243f406a316f9125 100644
--- a/samplecode/ClockFaceView.cpp
+++ b/samplecode/ClockFaceView.cpp
@@ -72,14 +72,7 @@
     : Sk2DPathEffect(matrix), fRadius(radius), fPts(pts) {}
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Dot2DPathEffect)
-    class Registrar {
-    public:
-        Registrar() {
-            SkFlattenable::Register("Dot2DPathEffect",
-                                    Dot2DPathEffect::CreateProc,
-                                    Dot2DPathEffect::GetFlattenableType());
-        }
-    };
+
 protected:
     void begin(const SkIRect& uvBounds, SkPath* dst) const override {
         if (fPts) {
@@ -107,8 +100,6 @@
 
     typedef Sk2DPathEffect INHERITED;
 };
-
-static Dot2DPathEffect::Registrar gReg0;
 
 sk_sp<SkFlattenable> Dot2DPathEffect::CreateProc(SkReadBuffer& buffer) {
     SkMatrix matrix;