Adjust naming conventions and general refactoring in HLE Project (#527)

* Rename enum fields

* Naming conventions

* Remove unneeded ".this"

* Remove unneeded semicolons

* Remove unused Usings

* Don't use var

* Remove unneeded enum underlying types

* Explicitly label class visibility

* Remove unneeded @ prefixes

* Remove unneeded commas

* Remove unneeded if expressions

* Method doesn't use unsafe code

* Remove unneeded casts

* Initialized objects don't need an empty constructor

* Remove settings from DotSettings

* Revert "Explicitly label class visibility"

This reverts commit ad5eb5787c.

* Small changes

* Revert external enum renaming

* Changes from feedback

* Apply previous refactorings to the merged code

Ryujinx.HLE/HOS/Kernel/KEvent.cs

@@ -5,9 +5,9 @@ namespace Ryujinx.HLE.HOS.Kernel
         public KReadableEvent ReadableEvent { get; private set; }
         public KWritableEvent WritableEvent { get; private set; }
 
-        public KEvent(Horizon System)
+        public KEvent(Horizon system)
         {
-            ReadableEvent = new KReadableEvent(System, this);
+            ReadableEvent = new KReadableEvent(system, this);
             WritableEvent = new KWritableEvent(this);
         }
     }