base: Remove duplicate WRITE_APN_SETTINGS permission (#28)

data/etc/com.android.systemui.xml

@@ -70,7 +70,6 @@
         <permission name="android.permission.WRITE_SECURE_SETTINGS"/>
         <permission name="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"/>
         <permission name="android.permission.CONTROL_DISPLAY_COLOR_TRANSFORMS" />
-        <permission name="android.permission.WRITE_APN_SETTINGS"/>
         <permission name="android.permission.CAMERA_OPEN_CLOSE_LISTENER" />
     </privapp-permissions>
 </permissions>