Revert "More logging for drop bar not appearing for dragged widget"

This reverts commit 876c15aa1fecd89d34300bb0ed54ee635f82c173.

Reason for revert: After this CL, the flake disappeared. Revert to see if this was because of this CL.

Bug: 195031154
Test: presubmit

Change-Id: Ic3c54900927615338d9510ad179e87ee43133e4e
diff --git a/src/com/android/launcher3/DropTargetBar.java b/src/com/android/launcher3/DropTargetBar.java
index 08cc730..eb42a65 100644
--- a/src/com/android/launcher3/DropTargetBar.java
+++ b/src/com/android/launcher3/DropTargetBar.java
@@ -275,20 +275,8 @@
     @Override
     protected void onVisibilityChanged(@NonNull View changedView, int visibility) {
         super.onVisibilityChanged(changedView, visibility);
-        if (TestProtocol.sDebugTracing) {
-            if (visibility == VISIBLE) {
-                Log.d(TestProtocol.NO_DROP_TARGET, "9");
-            } else {
-                Log.d(TestProtocol.NO_DROP_TARGET, "Hiding drop target", new Exception());
-            }
-        }
-    }
-
-    @Override
-    public void onVisibilityAggregated(boolean isVisible) {
-        super.onVisibilityAggregated(isVisible);
-        if (TestProtocol.sDebugTracing) {
-            Log.d(TestProtocol.NO_DROP_TARGET, "onVisibilityAggregated: " + isVisible);
+        if (TestProtocol.sDebugTracing && visibility == VISIBLE) {
+            Log.d(TestProtocol.NO_DROP_TARGET, "9");
         }
     }
 }