Revert of Batch multiple single NVPR draw paths to instanced draws

src/gpu/gl/GrGLPath.cpp

Index: src/gpu/gl/GrGLPath.cpp
diff --git a/src/gpu/gl/GrGLPath.cpp b/src/gpu/gl/GrGLPath.cpp
index e2d4703688d61ac1c6a9d33292ca55c47d06bbed..ed5a31d9d2f67bf97d90c702c8d2327160e79e48 100644
--- a/src/gpu/gl/GrGLPath.cpp
+++ b/src/gpu/gl/GrGLPath.cpp
@@ -333,12 +333,6 @@
     this->registerWithCache(SkBudgeted::kYes);
 }
 
-bool GrGLPath::canCombineDrawPathBatchWith(const GrPath& o) const {
-    const GrGLPath* other = static_cast<const GrGLPath*>(&o);
-    return fShouldStroke == other->fShouldStroke &&
-            fShouldFill == other->fShouldFill;
-}
-
 void GrGLPath::onRelease() {
     if (0 != fPathID) {
         static_cast<GrGLGpu*>(this->getGpu())->glPathRendering()->deletePaths(fPathID, 1);