remove debugging code

Author: ramin-deriv

example/lib/sample_app.dart

@@ -26,7 +26,6 @@ class _SampleAppState extends State<SampleApp> {
         endpoint: 'frontend.binaryws.com',
         authEndpoint: '',
       ),
-      onProxyFound: (_) {},
     );
   }
 

test/state/connection/connection_bloc_test.dart

@@ -10,8 +10,9 @@ void main() {
     setUpAll(
       () {
         connectionCubit = ConnectionCubit(
-          ConnectionInformation(appId: '', brand: '', endpoint: '',authEndpoint: ''),
-          api: MockAPI(), onProxyFound: (String proxy) {  },
+          ConnectionInformation(
+              appId: '', brand: '', endpoint: '', authEndpoint: ''),
+          api: MockAPI(),
         );
       },
     );