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/Loaders/Elf/ElfSymbolVisibility.cs

@@ -2,9 +2,9 @@ namespace Ryujinx.HLE.Loaders.Elf
 {
     enum ElfSymbolVisibility
     {
-        STV_DEFAULT   = 0,
-        STV_INTERNAL  = 1,
-        STV_HIDDEN    = 2,
-        STV_PROTECTED = 3
+        StvDefault   = 0,
+        StvInternal  = 1,
+        StvHidden    = 2,
+        StvProtected = 3
     }
 }