Remove Cmd in GrTargetCommands that is no longer needed with GrCopySurfaceBatch

src/gpu/GrTargetCommands.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTargetCommands.h"
 
 #include "GrBatchFlushState.h"
@@ skipping 57 matching lines @@
     }
     GrPathRendering::DrawPathArgs args(fState->fPrimitiveProcessor.get(), fState->getPipeline(),
                                        &fState->fDesc, &fState->fBatchTracker, &fStencilSettings);
     state->gpu()->pathRendering()->drawPaths(args, this->pathRange(), fIndices, fIndexType,
                                              fTransforms, fTransformType, fCount);
 }
 
 void GrTargetCommands::DrawBatch::execute(GrBatchFlushState* state) {
     fBatch->draw(state);
 }
-
-void GrTargetCommands::CopySurface::execute(GrBatchFlushState* state) {
-    state->gpu()->copySurface(this->dst(), this->src(), fSrcRect, fDstPoint);
-}