Remove usages of [ExcludeFromDynamicCompile]

osu.Game/Configuration/DevelopmentOsuConfigManager.cs

@@ -4,11 +4,9 @@
 #nullable disable
 
 using osu.Framework.Platform;
-using osu.Framework.Testing;
 
 namespace osu.Game.Configuration
 {
-    [ExcludeFromDynamicCompile]
     public class DevelopmentOsuConfigManager : OsuConfigManager
     {
         protected override string Filename => base.Filename.Replace(".ini", ".dev.ini");