Revert of Batch multiple single NVPR draw paths to instanced draws

src/gpu/GrPath.h

Index: src/gpu/GrPath.h
diff --git a/src/gpu/GrPath.h b/src/gpu/GrPath.h
index 975dad0afdd2ccb8dcb05824646797b4f3941e2b..4cb12f4325c6b3c5741eaeaa5502a28e1a6ad416 100644
--- a/src/gpu/GrPath.h
+++ b/src/gpu/GrPath.h
@@ -36,18 +36,6 @@
     const SkRect& getBounds() const { return fBounds; }
 
     GrPathRendering::FillType getFillType() const { return fFillType; }
-
-    /**
-     * Returns true if a path can be drawn in the same draw paths operation as the other
-     * path. Should return true only when the condition holds transitively with all other paths in
-     * the same group.
-     * E.g.
-     * canCombineDrawPathBatchWith(a) AND canCombineDrawPathBatchWith(b)
-     * canCombineDrawPathBatchWith(a) AND canCombineDrawPathBatchWith(c)
-     *  implies
-     * canCombineDrawPathBatchWith(b) AND canCombineDrawPathBatchWith(c)
-     */
-    virtual bool canCombineDrawPathBatchWith(const GrPath& other) const = 0;
 #ifdef SK_DEBUG
     bool isEqualTo(const SkPath& path, const GrStrokeInfo& stroke) const;
 #endif