Revert of Default geometry processor

src/gpu/GrAAConvexPathRenderer.cpp

Index: src/gpu/GrAAConvexPathRenderer.cpp
diff --git a/src/gpu/GrAAConvexPathRenderer.cpp b/src/gpu/GrAAConvexPathRenderer.cpp
index 3325b1cf68b184414a1e94b22260b0c9f26da787..eecc72270c6c278699abdafbd2ce9f5c0aa442d1 100644
--- a/src/gpu/GrAAConvexPathRenderer.cpp
+++ b/src/gpu/GrAAConvexPathRenderer.cpp
@@ -561,10 +561,6 @@
             const GrShaderVar& inQuadEdge = args.fGP.cast<QuadEdgeEffect>().inQuadEdge();
             GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
             vsBuilder->codeAppendf("\t%s = %s;\n", v.vsOut(), inQuadEdge.c_str());
-
-            // setup position varying
-            vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(),
-                                   vsBuilder->uViewM(), vsBuilder->inPosition());
         }
 
         static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKeyBuilder*) {}