GoBackend: setConfigureIntent does nothing

It's only used from the ManageDialog in VpnDialogs, which in turn is
only instantiated in the legacy VPN path.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/src/main/java/com/wireguard/android/Application.java

@@ -93,11 +93,7 @@ public class Application extends android.app.Application {
                     }
                 }
                 if (backend == null) {
-                    final Context context = app.getApplicationContext();
-                    final Intent configureIntent = new Intent(context, MainActivity.class);
-                    configureIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-                    final PendingIntent pendingConfigureIntent = PendingIntent.getActivity(context, 0, configureIntent, 0);
-                    backend = new GoBackend(context, pendingConfigureIntent);
+                    backend = new GoBackend(app.getApplicationContext());
                     GoBackend.setAlwaysOnCallback(() -> {
                         get().tunnelManager.restoreState(true).whenComplete(ExceptionLoggers.D);
                     });

app/src/main/java/com/wireguard/android/backend/GoBackend.java

@@ -44,17 +44,15 @@ public final class GoBackend implements Backend {
     }
 
     private final Context context;
-    private final PendingIntent configurationIntent;
     @Nullable private Tunnel currentTunnel;
     @Nullable private Config currentConfig;
     private int currentTunnelHandle = -1;
 
     private final Set<TunnelStateChangeNotificationReceiver> notifiers = new HashSet<>();
 
-    public GoBackend(final Context context, final PendingIntent configurationIntent) {
+    public GoBackend(final Context context) {
         SharedLibraryLoader.loadSharedLibrary(context, "wg-go");
         this.context = context;
-        this.configurationIntent = configurationIntent;
     }
 
     private static native String wgGetConfig(int handle);
@@ -194,8 +192,6 @@ public final class GoBackend implements Backend {
             final VpnService.Builder builder = service.getBuilder();
             builder.setSession(tunnel.getName());
 
-            builder.setConfigureIntent(configurationIntent);
-
             for (final String excludedApplication : config.getInterface().getExcludedApplications())
                 builder.addDisallowedApplication(excludedApplication);