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/Input/HidControllerConnState.cs

@@ -5,7 +5,7 @@ namespace Ryujinx.HLE.Input
     [Flags]
     public enum HidControllerConnState
     {
-        Controller_State_Connected = (1 << 0),
-        Controller_State_Wired     = (1 << 1)
+        ControllerStateConnected = (1 << 0),
+        ControllerStateWired     = (1 << 1)
     }
 }