Code clean

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -1870,7 +1870,7 @@ namespace ServiceLib.Handler
                     await SaveDNSItems(config, await GetExternalDNSItem(ECoreType.sing_box, Global.DNSTemplateSources[1] + "sing_box.json"));
 
                     return true;
-                
+
                 case EPresetType.Iran:
                     config.ConstItem.GeoSourceUrl = Global.GeoFilesSources[2];
                     config.ConstItem.SrsSourceUrl = Global.SingboxRulesetSources[2];

v2rayN/ServiceLib/Handler/CoreConfigHandler.cs

@@ -1,6 +1,4 @@
-using YamlDotNet.Core.Tokens;
-
-namespace ServiceLib.Handler
+namespace ServiceLib.Handler
 {
     /// <summary>
     /// Core configuration file processing class

v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs

@@ -3,6 +3,7 @@
     public static class SysProxyHandler
     {
         private static readonly string _tag = "SysProxyHandler";
+
         public static async Task<bool> UpdateSysProxy(Config config, bool forceDisable)
         {
             var type = config.SystemProxyItem.SysProxyType;

v2rayN/ServiceLib/Handler/WebDavHandler.cs

@@ -14,7 +14,6 @@ namespace ServiceLib.Handler
         private string _webDir = Global.AppName + "_backup";
         private readonly string _webFileName = "backup.zip";
         private readonly string _tag = "WebDav--";
-         
 
         public WebDavHandler()
         {