Remove unnecessary updatePivots

- Follow-up of http://ag/17888303 to remove extra code that didn't get clean up

Bug: 209981696
Test: manual
Change-Id: I37f68dd52adacfd033eaeaeca52c98a4a06d556d
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index 82b0fc3..5d71ebd 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -4855,7 +4855,6 @@
         if (mOverlayEnabled != overlayEnabled) {
             mOverlayEnabled = overlayEnabled;
             updateEnabledOverlays();
-            updatePivots();
         }
     }