jni/impl/google/services/syncbase: remove 'call' arg from NewService

MultiPart: 2/2
Change-Id: I0c7f516fc5a766d9762f00c9315622c049df35fe
diff --git a/impl/google/services/syncbase/jni.go b/impl/google/services/syncbase/jni.go
index 87a3e0f..2179e9e 100644
--- a/impl/google/services/syncbase/jni.go
+++ b/impl/google/services/syncbase/jni.go
@@ -95,7 +95,7 @@
 	}
 
 	// Start the server.
-	service, err := server.NewService(ctx, nil, server.ServiceOptions{
+	service, err := server.NewService(ctx, server.ServiceOptions{
 		Perms:   perms,
 		RootDir: rootDir,
 		Engine:  engine,