Revert "Shared Lib - add stub for handleImageBundleAsScreenshot."

This reverts commit 1e60bb54ca.

Reason for revert: Stub not needed

Change-Id: I71e5bb38e37042addaaff75423bc47209d56a20b

quickstep/src/com/android/quickstep/SystemUiProxy.java

@@ -31,7 +31,6 @@ import android.view.MotionEvent;
 import com.android.launcher3.util.MainThreadInitializedObject;
 import com.android.systemui.shared.recents.IPinnedStackAnimationListener;
 import com.android.systemui.shared.recents.ISystemUiProxy;
-import com.android.systemui.shared.recents.model.Task;
 
 /**
  * Holds the reference to SystemUI.
@@ -345,8 +344,4 @@ public class SystemUiProxy implements ISystemUiProxy {
             }
         }
     }
-
-    public void handleImageBundleAsScreenshot(Bundle screenImageBundle, Rect locationInScreen,
-            Insets visibleInsets, Task.TaskKey task) {
-    }
 }