CCDraw: remove clean up after restored screen

It seems not always useful to clean up everything after hide().
For more control in some cases an separate clean up with
clearSavedScreen() should be more flexible.

src/gui/components/cc_draw.cpp

@@ -620,8 +620,6 @@ void CCDraw::paintFbItems(bool do_save_bg)
 
 void CCDraw::hide()
 {
-	bool restored = false;
-
 	//restore saved screen background of item if available
 	for(size_t i =0; i< v_fbdata.size() ;i++) {
 		if (v_fbdata[i].fbdata_type == CC_FBDATA_TYPE_BGSCREEN){
@@ -629,14 +627,9 @@ void CCDraw::hide()
 				//restore screen from backround layer
 				frameBuffer->waitForIdle("CCDraw::hide()");
 				frameBuffer->RestoreScreen(v_fbdata[i].x, v_fbdata[i].y, v_fbdata[i].dx, v_fbdata[i].dy, v_fbdata[i].pixbuf);
-				restored = true;
 			}
 		}
 	}
-	//cleanup background layer, but only if restore was required
-	if (restored)
-		clearSavedScreen();
-
 	is_painted = false;
 	firstPaint = true;
 }