Migrate UI to supportsMultipleUsers().

Bug: 7194531
Change-Id: Ief43b8f0de178feba61a609736acf5e82f82783b
diff --git a/overlay/packages/apps/Settings/res/values/bools.xml b/overlay/packages/apps/Settings/res/values/bools.xml
index 32fce50..a9049d7 100644
--- a/overlay/packages/apps/Settings/res/values/bools.xml
+++ b/overlay/packages/apps/Settings/res/values/bools.xml
@@ -17,6 +17,4 @@
 <resources>
     <!-- No powercontrol widget for tablets -->
     <bool name="has_powercontrol_widget">true</bool>
-    <!-- Enable user management -->
-    <bool name="enable_user_management">true</bool>
 </resources>