Revert "privapps-permission: Make REQUEST_NETWORK_SCORES a privilged permission"

This reverts commit 82f37f83a8814e3b12f90baf0fb05d51df261ea7.

Reason for revert: Wifi services no longer plan to be a separate
APK/process for mainline. Will instead become a jar loaded from Apex.

Bug: 145114247
Change-Id: I993dd4d35cc280afe6dc044fa1dee0ea268f9bca
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 0a26e64..6accab1 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1532,7 +1532,7 @@
          recommendations and scores from the NetworkScoreService.
          <p>Not for use by third-party applications. @hide -->
     <permission android:name="android.permission.REQUEST_NETWORK_SCORES"
-        android:protectionLevel="signature|setup|privileged" />
+        android:protectionLevel="signature|setup" />
 
     <!-- Allows network stack services (Connectivity and Wifi) to coordinate
          <p>Not for use by third-party or privileged applications.
diff --git a/data/etc/com.android.settings.xml b/data/etc/com.android.settings.xml
index 72be9f5..3e53a38 100644
--- a/data/etc/com.android.settings.xml
+++ b/data/etc/com.android.settings.xml
@@ -41,7 +41,6 @@
         <permission name="android.permission.PACKAGE_USAGE_STATS"/>
         <permission name="android.permission.READ_SEARCH_INDEXABLES"/>
         <permission name="android.permission.REBOOT"/>
-        <permission name="android.permission.REQUEST_NETWORK_SCORES"/>
         <permission name="android.permission.SET_TIME"/>
         <permission name="android.permission.STATUS_BAR"/>
         <permission name="android.permission.TETHER_PRIVILEGED"/>