chore: remove NvManga (EN)

dart/manga/multisrc/madara/sources.dart

@@ -96,7 +96,6 @@ import 'src/ar/rocksmanga/rocksmanga.dart';
 import 'src/en/dragontea/dragontea.dart';
 import 'src/en/mangaeffect/mangaeffect.dart';
 import 'src/en/mangaleveling/mangaleveling.dart';
-import 'src/en/nvmanga/nvmanga.dart';
 import 'src/en/pmscans/pmscans.dart';
 import 'src/en/readmanhua/readmanhua.dart';
 import 'src/en/stonescape/stonescape.dart';
@@ -366,8 +365,6 @@ List<Source> _madaraSourcesList =
           mangaeffectSource,
           //Manga Leveling (EN)
           mangalevelingSource,
-          //NvManga (EN)
-          nvmangaSource,
           //PMScans (EN)
           pmscansSource,
           //ReadManhua (EN)

dart/manga/multisrc/madara/src/en/nvmanga/nvmanga.dart

@@ -1,14 +0,0 @@
-import '../../../../../../../model/source.dart';
-
-Source get nvmangaSource => _nvmangaSource;
-Source _nvmangaSource = Source(
-  name: "NvManga",
-  baseUrl: "https://nvmanga.com",
-  lang: "en",
-  isNsfw: false,
-  typeSource: "madara",
-  iconUrl:
-      "https://raw.githubusercontent.com/kodjodevf/mangayomi-extensions/main/dart/manga/multisrc/madara/src/en/nvmanga/icon.png",
-  dateFormat: "dd/MM/yyyy",
-  dateFormatLocale: "en",
-);