[6.7.0][HDMap][Overlay] 优化地图marker的处理逻辑；当地图控件从窗口中移除时，断开Java层与Marker之间的引用，规避内存泄露

OCH/offline/driver/src/main/java/com/mogo/och/offline/fragment/ShuttleFragment.java

@@ -89,11 +89,6 @@ public class ShuttleFragment extends BaseShuttleTabFragment<ShuttleFragment, Bus
         if (mPresenter != null) {
             mPresenter.onDestroy(this);
         }
-        IMoGoOverlayManager overlayManager = CallerMapUIServiceManager.INSTANCE.getOverlayManager();
-        if(overlayManager!=null) {
-            overlayManager.removeAllLines();
-            overlayManager.removeAllPoints();
-        }
         super.onDestroyView();
     }