Revert "overlay: Delegate DeviceConfig permissions to custom provisioning service"

This reverts commit 9051f370434321fa78cc59190bc87410d5c40863.

We no more build this DeviceConfig anymore (for the moment ^^)

Change-Id: I504e9d60da9db0f9a3a53e6304325bf46fada694
diff --git a/overlay/common/frameworks/base/core/res/res/values/config.xml b/overlay/common/frameworks/base/core/res/res/values/config.xml
index f8a58a4..ac5733e 100644
--- a/overlay/common/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/common/frameworks/base/core/res/res/values/config.xml
@@ -81,9 +81,6 @@
 
     <string name="config_clockFontFamily">google-sans-clock</string>
 
-    <!-- Flag indicating which package name can access DeviceConfig table -->
-    <string name="config_deviceConfiguratorPackageName" translatable="false">org.protonaosp.deviceconfig</string>
-
     <!-- The type of the light sensor to be used by the display framework for things like
          auto-brightness. If unset, then it just gets the default sensor of type TYPE_LIGHT. -->
     <string name="config_displayLightSensorType" translatable="false">android.sensor.light</string>