Revert "Allowed telephony to bind network service" am: e1e739de am: f7082288

    <!-- Must be required by a NetworkService to ensure that only the

         system can bind to it.

         <p>Protection level: signature|telephony

         <p>Protection level: signature

         @SystemApi

         @hide

    -->

    <permission android:name="android.permission.BIND_TELEPHONY_NETWORK_SERVICE"

                android:protectionLevel="signature|telephony" />

                android:protectionLevel="signature" />

    <!-- @SystemApi Allows an application to manage embedded subscriptions (those on a eUICC)

         through EuiccManager APIs.