Adjust naming conventions and general refactoring in HLE Project (#490)

* 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

* Remove unneeded property setters

Ryujinx.HLE/HOS/Services/Sfdnsres/NetDBError.cs

@@ -1,6 +1,6 @@
 namespace Ryujinx.HLE.HOS.Services.Sfdnsres
 {
-    enum NetDBError
+    enum NetDbError
     {
         Internal = -1,
         Success,
@@ -8,6 +8,6 @@
         TryAgain,
         NoRecovery,
         NoData,
-        NoAddress = NoData,
+        NoAddress = NoData
     }
 }