Revert "Mark the keyguard package as required for profile"

This reverts commit d4749eb4a8.

We've switched to a whitelist approach.

Change-Id: I97236785f7843de19e94711bc758fcc6de73a0d2

packages/Keyguard/AndroidManifest.xml

@@ -43,8 +43,7 @@
     <application android:label="@string/app_name"
         android:process="com.android.systemui"
         android:persistent="true"
-        android:supportsRtl="true"
-        android:requiredForProfile="all">
+        android:supportsRtl="true">
 
         <service android:name=".KeyguardService"
             android:exported="true" />