Refactoring HOS folder structure (#771)

* Refactoring HOS folder structure

Refactoring HOS folder structure:

- Added some subfolders when needed (Following structure decided in private).
- Added some `Types` folders when needed.
- Little cleanup here and there.
- Add services placeholders for every HOS services (close #766 and #753).

* Remove Types namespaces

1 files changed, 0 insertions, 83 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Friend/NotificationEventHandler.cs b/Ryujinx.HLE/HOS/Services/Friend/NotificationEventHandler.cs
deleted file mode 100644
index 8582a074..00000000
--- a/Ryujinx.HLE/HOS/Services/Friend/NotificationEventHandler.cs
+++ /dev/null
@@ -1,83 +0,0 @@
-using Ryujinx.HLE.Utilities;
-
-namespace Ryujinx.HLE.HOS.Services.Friend
-{
-    public sealed class NotificationEventHandler
-    {
-        private static NotificationEventHandler instance;
-        private static object                   instanceLock = new object();
-
-        private INotificationService[] _registry;
-
-        public static NotificationEventHandler Instance
-        {
-            get
-            {
-                lock (instanceLock)
-                {
-                    if (instance == null)
-                    {
-                        instance = new NotificationEventHandler();
-                    }
-
-                    return instance;
-                }
-            }
-        }
-
-        NotificationEventHandler()
-        {
-            _registry = new INotificationService[0x20];
-        }
-
-        internal void RegisterNotificationService(INotificationService service)
-        {
-            // NOTE: in case there isn't space anymore in the registry array, Nintendo doesn't return any errors.
-            for (int i = 0; i < _registry.Length; i++)
-            {
-                if (_registry[i] == null)
-                {
-                    _registry[i] = service;
-                    break;
-                }
-            }
-        }
-
-        internal void UnregisterNotificationService(INotificationService service)
-        {
-            // NOTE: in case there isn't the entry in the registry array, Nintendo doesn't return any errors.
-            for (int i = 0; i < _registry.Length; i++)
-            {
-                if (_registry[i] == service)
-                {
-                    _registry[i] = null;
-                    break;
-                }
-            }
-        }
-
-        // TODO: Use this when we will have enough things to go online.
-        public void SignalFriendListUpdate(UInt128 targetId)
-        {
-            for (int i = 0; i < _registry.Length; i++)
-            {
-                if (_registry[i] != null)
-                {
-                    _registry[i].SignalFriendListUpdate(targetId);
-                }
-            }
-        }
-
-        // TODO: Use this when we will have enough things to go online.
-        public void SignalNewFriendRequest(UInt128 targetId)
-        {
-            for (int i = 0; i < _registry.Length; i++)
-            {
-                if (_registry[i] != null)
-                {
-                    _registry[i].SignalNewFriendRequest(targetId);
-                }
-            }
-        }
-    }
-}