remove unused import

cw_core/lib/node.dart

@@ -7,7 +7,6 @@ import 'package:http/http.dart' as http;
 import 'package:hive/hive.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:http/io_client.dart' as ioc;
-//import 'package:cake_wallet/entities/digest_request.dart';
 
 part 'node.g.dart';
 
@@ -97,39 +96,39 @@ class Node extends HiveObject with Keyable {
 
   Future<bool> requestMoneroNode() async {
   
-  final path = '/json_rpc';
-  final rpcUri = isSSL ? Uri.https(uri.authority, path) : Uri.http(uri.authority, path);
-  final realm = 'monero-rpc';
-  final body = {
-      'jsonrpc': '2.0', 
-      'id': '0', 
-      'method': 'get_info'
-  };
+    final path = '/json_rpc';
+    final rpcUri = isSSL ? Uri.https(uri.authority, path) : Uri.http(uri.authority, path);
+    final realm = 'monero-rpc';
+    final body = {
+        'jsonrpc': '2.0', 
+        'id': '0', 
+        'method': 'get_info'
+    };
 
-  try {
-    final authenticatingClient = HttpClient();
-   
-    authenticatingClient.addCredentials(
-        rpcUri,
-        realm, 
-        HttpClientDigestCredentials(login ?? '', password ?? ''),
-    );
-   
-    final http.Client client = ioc.IOClient(authenticatingClient);
-   
-    final response = await client.post(
-        rpcUri,
-        headers: {'Content-Type': 'application/json'},
-        body: json.encode(body),
-    );
-   
-    client.close();
+    try {
+      final authenticatingClient = HttpClient();
+    
+      authenticatingClient.addCredentials(
+          rpcUri,
+          realm, 
+          HttpClientDigestCredentials(login ?? '', password ?? ''),
+      );
+    
+      final http.Client client = ioc.IOClient(authenticatingClient);
+    
+      final response = await client.post(
+          rpcUri,
+          headers: {'Content-Type': 'application/json'},
+          body: json.encode(body),
+      );
+    
+      client.close();
 
-    final resBody = json.decode(response.body) as Map<String, dynamic>;
-    return !(resBody['result']['offline'] as bool);
-  } catch (_) {
-    return false;
-  }
+      final resBody = json.decode(response.body) as Map<String, dynamic>;
+      return !(resBody['result']['offline'] as bool);
+    } catch (_) {
+      return false;
+    }
 }
 
   Future<bool> requestElectrumServer() async {