- Started cleanup of command handler

- Removed IUnloadableService
- Started removing INService (removed it from services which implement behavior interfaces) - wip
- Added scrutor for better service registration - wip

src/NadekoBot/Modules/Utility/Services/PatreonRewardsService.cs

@@ -16,7 +16,7 @@ using Serilog;
 
 namespace NadekoBot.Modules.Utility.Services
 {
-    public class PatreonRewardsService : INService, IUnloadableService
+    public class PatreonRewardsService : INService
     {
         private readonly SemaphoreSlim getPledgesLocker = new SemaphoreSlim(1, 1);
 
@@ -218,11 +218,5 @@ namespace NadekoBot.Modules.Utility.Services
                 // ignored
             }
         }
-
-        public Task Unload()
-        {
-            _updater?.Change(Timeout.Infinite, Timeout.Infinite);
-            return Task.CompletedTask;
-        }
     }
 }