* Rewrite the C++ Demangler
This new Demangler provides support to almost every possible mangled
symbols and should behaves like GNU c++filt.
It works on 98.9% of the sdk's symbols and 99.5%
of Puyo Puyo Tetris's symbols.
* Fix code style
* Fix noexcept enclosed expression parsing issues
* fix code style issues
* Some style fixes and nits on ITimeZoneService
* Remove some unneeded usings
* Remove the Ryujinx.HLE.OsHle.Handles namespace
* Remove hbmenu automatic load on process exit
* Rename Ns to Device, rename Os to System, rename SystemState to State
* Move Exceptions and Utilities out of OsHle
* Rename OsHle to HOS
* Rename OsHle folder to HOS
* IManagerDisplayService and ISystemDisplayService style fixes
* BsdError shouldn't be public
* Add a empty new line before using static
* Remove unused file
* Some style fixes on NPDM
* Exit gracefully when the application is closed
* Code style fixes on IGeneralService
* Add 0x prefix on values printed as hex
* Small improvements on finalization code
* Move ProcessId and ThreadId out of AThreadState
* Rename VFs to FileSystem
* FsAccessHeader shouldn't be public. Also fix file names casing
* More case changes on NPDM
* Remove unused files
* Move using to the correct place on NPDM
* Use properties on KernelAccessControlMmio
* Address PR feedback
