VPN: remove the old VpnService.

Now VPN is (kind of) integrated into ConnectivityService.

Change-Id: If98e456e779f8e97f562d99c57d909b1f5d9db55

services/java/com/android/server/ConnectivityService.java

@@ -44,7 +44,6 @@ import android.net.NetworkUtils;
 import android.net.Proxy;
 import android.net.ProxyProperties;
 import android.net.RouteInfo;
-import android.net.vpn.VpnManager;
 import android.net.wifi.WifiStateTracker;
 import android.os.Binder;
 import android.os.FileUtils;
@@ -496,11 +495,8 @@ public class ConnectivityService extends IConnectivityManager.Stub {
         mSettingsObserver.observe(mContext);
 
         loadGlobalProxy();
-
-        VpnManager.startVpnService(context);
     }
 
-
     /**
      * Sets the preferred network.
      * @param preference the new preference