Remove #if as it is not needed

Author: MiYanni

src/Accounts/Accounts/CommonModule/RegisterAzureModule.cs

@@ -20,10 +20,8 @@
 using System.Net.Http;
 using System.Collections.Generic;
 using Microsoft.Azure.Commands.Common.Authentication.Abstractions;
-#if NETSTANDARD
 using Microsoft.Azure.Commands.Common.Authentication.Abstractions.Core;
 using Microsoft.Azure.Commands.Profile.Models.Core;
-#endif
 using Microsoft.Azure.Commands.Profile.Models;
 using System.Globalization;
 using Microsoft.Azure.Commands.Common.Authentication;
@@ -292,4 +290,4 @@ protected override void ProcessRecord()
         }
     }
 
-}
+}