Remove unused batch rect append functions

src/gpu/batches/GrNonAAFillRectBatch.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrNonAAFillRectBatch_DEFINED
 #define GrNonAAFillRectBatch_DEFINED
 
@@ skipping 10 matching lines @@
                     const SkRect& rect,
                     const SkRect* localRect,
                     const SkMatrix* localMatrix);
 
 GrDrawBatch* CreateWithPerspective(GrColor color,
                                    const SkMatrix& viewMatrix,
                                    const SkRect& rect,
                                    const SkRect* localRect,
                                    const SkMatrix* localMatrix);
 
-bool Append(GrColor color,
-            const SkMatrix& viewMatrix,
-            const SkRect& rect,
-            const SkRect* localRect,
-            const SkMatrix* localMatrix);
-
 };
 
 #endif