Revert "Added the framework for having canvas/recorder/picture record depth_set's."

tools/debugger/SkDebugCanvas.cpp

Index: tools/debugger/SkDebugCanvas.cpp
diff --git a/tools/debugger/SkDebugCanvas.cpp b/tools/debugger/SkDebugCanvas.cpp
index ae934a16e74267759090f83082df9921371b1bf0..b80eeea0b1b8521aa7e378b585b56119da15598d 100644
--- a/tools/debugger/SkDebugCanvas.cpp
+++ b/tools/debugger/SkDebugCanvas.cpp
@@ -690,11 +690,6 @@ void SkDebugCanvas::didSetMatrix(const SkMatrix& matrix) {
     this->INHERITED::didSetMatrix(matrix);
 }
 
-void SkDebugCanvas::didTranslateZ(SkScalar z) {
-    this->addDrawCommand(new SkTranslateZCommand(z));
-    this->INHERITED::didTranslateZ(z);
-}
-
 void SkDebugCanvas::toggleCommand(int index, bool toggle) {
     SkASSERT(index < fCommandVector.count());
     fCommandVector[index]->setVisible(toggle);