feat: remove unused network mask

assets/i18n/strings.i18n.json

@@ -40,7 +40,6 @@
     "infoBox": {
       "ip": "IP:",
       "port": "Port:",
-      "subnetMask": "Subnet mask:",
       "alias": "Alias:"
     }
   },

assets/i18n/strings_de.i18n.json

@@ -40,7 +40,6 @@
     "infoBox": {
       "ip": "IP:",
       "port": "Port:",
-      "subnetMask": "Subnetzmaske:",
       "alias": "Alias:"
     }
   },

lib/model/network_info.dart

@@ -6,6 +6,5 @@ part 'network_info.freezed.dart';
 class NetworkInfo with _$NetworkInfo {
   const factory NetworkInfo({
     required List<String> localIps,
-    required String? netMask, // not used
   }) = _NetworkInfo;
 }

lib/pages/tabs/receive_tab.dart

@@ -153,13 +153,6 @@ class _ReceiveTagState extends ConsumerState<ReceiveTab> with AutomaticKeepAlive
                             Text(serverState?.port.toString() ?? '-'),
                           ],
                         ),
-                        TableRow(
-                          children: [
-                            Text(t.receiveTab.infoBox.subnetMask),
-                            const SizedBox(width: 10),
-                            Text(networkInfo?.netMask ?? t.general.unknown),
-                          ],
-                        ),
                       ],
                     ),
                   ),

lib/provider/network_info_provider.dart

@@ -40,10 +40,8 @@ class NetworkInfoNotifier extends StateNotifier<NetworkInfo?> {
   Future<NetworkInfo> _getInfo() async {
     final info = plugin.NetworkInfo();
     String? ip;
-    String? mask;
     try {
       ip = await info.getWifiIP();
-      mask = await info.getWifiSubmask();
     } catch (e) {
       print(e);
     }
@@ -60,11 +58,10 @@ class NetworkInfoNotifier extends StateNotifier<NetworkInfo?> {
       }
     }
 
-    print('New network state: $ip ($mask)');
+    print('New network state: $ip');
 
     return NetworkInfo(
       localIps: rankIpAddresses(nativeResult, ip),
-      netMask: mask,
     );
   }
 }