Remove unneeded todo

Bug: 383304368
Test: NA cleanup
Flag: EXEMPT cleanup
Change-Id: I3307dfb93ded30d353d8e55f2732838ab433d76c
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
index 79b9ae2..ac9d915 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
@@ -4700,7 +4700,6 @@
             }
 
             mKeyguardInteractor.setAlpha(alpha);
-            //todo was this needed?
 
             if (mKeyguardQsUserSwitchController != null) {
                 mKeyguardQsUserSwitchController.setAlpha(alpha);