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/Services/Nv/NvMap/NvMapHandle.cs

@@ -13,26 +13,26 @@ namespace Ryujinx.HLE.HOS.Services.Nv.NvMap
         public bool Allocated;
         public long DmaMapAddress;
 
-        private long Dupes;
+        private long _dupes;
 
         public NvMapHandle()
         {
-            Dupes = 1;
+            _dupes = 1;
         }
 
-        public NvMapHandle(int Size) : this()
+        public NvMapHandle(int size) : this()
         {
-            this.Size = Size;
+            Size = size;
         }
 
         public void IncrementRefCount()
         {
-            Interlocked.Increment(ref Dupes);
+            Interlocked.Increment(ref _dupes);
         }
 
         public long DecrementRefCount()
         {
-            return Interlocked.Decrement(ref Dupes);
+            return Interlocked.Decrement(ref _dupes);
         }
     }
 }