[CS] Remove unused ScrimController#setCurrentUser.

Bug: 277764509
Test: compiles
Change-Id: I68ab9e450670313a8c4729d0013e62c98c3d5040
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
index 4ae4c52..7e5ca1e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
@@ -2210,7 +2210,6 @@
         if (mLockscreenWallpaper != null && !mWallpaperManager.isLockscreenLiveWallpaperEnabled()) {
             mLockscreenWallpaper.setCurrentUser(newUserId);
         }
-        mScrimController.setCurrentUser(newUserId);
         if (mWallpaperSupported) {
             mWallpaperChangedReceiver.onReceive(mContext, null);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
index 47c4023..c16e13c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
@@ -1476,10 +1476,6 @@
         }
     }
 
-    public void setCurrentUser(int currentUser) {
-        // Don't care in the base class.
-    }
-
     private void updateThemeColors() {
         if (mScrimBehind == null) return;
         int background = Utils.getColorAttr(mScrimBehind.getContext(),