Revert of Give GrBatch a pointer to GrPipeline

gm/beziereffects.cpp

Index: gm/beziereffects.cpp
diff --git a/gm/beziereffects.cpp b/gm/beziereffects.cpp
index 6e586196f43830dfc66643e3a60ef0cb0d2b51b6..5e00608fa7d7ad41740b43800173a42f7535c0ca 100644
--- a/gm/beziereffects.cpp
+++ b/gm/beziereffects.cpp
@@ -46,7 +46,6 @@
     BezierCubicOrConicTestBatch(const GrGeometryProcessor* gp, const Geometry& geo,
                                 const SkScalar klmEqs[9], SkScalar sign)
         : INHERITED(gp, geo.fBounds) {
-        this->initClassID<BezierCubicOrConicTestBatch>();
         for (int i = 0; i < 9; i++) {
             fKlmEqs[i] = klmEqs[i];
         }
@@ -448,7 +447,6 @@
         : INHERITED(gp, geo.fBounds)
         , fGeometry(geo)
         , fDevToUV(devToUV) {
-        this->initClassID<BezierQuadTestBatch>();
     }
 
     struct Vertex {