NadekoBot.Extensions should now be fully annotated with nullable reference types as well as many classes from NadekoBot.Common

src/NadekoBot/Modules/Music/Services/MusicService.cs

@@ -1,5 +1,4 @@
-#nullable enable
-using System.Diagnostics.CodeAnalysis;
+using System.Diagnostics.CodeAnalysis;
 using NadekoBot.Services.Database.Models;
 using NadekoBot.Db;
 
@@ -444,4 +443,4 @@ public sealed class MusicService : IMusicService
         }, preset);
 
     #endregion
-}
+}