Revert of Default geometry processor

src/gpu/effects/GrCustomCoordsTextureEffect.cpp

Index: src/gpu/effects/GrCustomCoordsTextureEffect.cpp
diff --git a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
index 77e799414aed9702b5d6de8232df39dfc7d26f85..afa075460386b71531ecc2bb35b659b0a4de571f 100644
--- a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
+++ b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
@@ -30,10 +30,6 @@
         GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
         const GrShaderVar& inTextureCoords = customCoordsTextureEffect.inTextureCoords();
         vsBuilder->codeAppendf("%s = %s;", v.vsOut(), inTextureCoords.c_str());
-
-        // setup position varying
-        vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(),
-                               vsBuilder->uViewM(), vsBuilder->inPosition());
 
         GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
         fsBuilder->codeAppendf("%s = ", args.fOutput);