Refactoring commands handling (#728)

* Refactoring commands handling

- Use Reflection to handle commands ID.
- Add all symbols (from SwIPC so not all time accurate).
- Re-sort some services commands methods.
- Some cleanup.
- Keep some empty constructor for consistency.

* Fix order in IProfile

Ryujinx.HLE/HOS/Services/Am/IDebugFunctions.cs

@@ -1,20 +1,7 @@
-using Ryujinx.HLE.HOS.Ipc;
-using System.Collections.Generic;
-
 namespace Ryujinx.HLE.HOS.Services.Am
 {
     class IDebugFunctions : IpcService
     {
-        private Dictionary<int, ServiceProcessRequest> _commands;
-
-        public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
-
-        public IDebugFunctions()
-        {
-            _commands = new Dictionary<int, ServiceProcessRequest>
-            {
-                // ...
-            };
-        }
+        public IDebugFunctions() { }
     }
 }