Start removing old stuff, add new BareMetal APIs

[AnErrupTion]

• Removed pre-generated documentation in favor of on-the-fly documentation generation.
• Removed CoolWorld and MyWorld demos, along with their respective launch scripts.
• Removed Launch.bat and Create-Docs.bat scripts.
• Added CPU and Time APIs in Mosa.Kernel.BareMetal.Platform, along with x86 plugs.
• Updated copyright year in LICENSE.txt.
• Removed old/unmaintained VSCode files.
• Fixed Mosa.Kernel.BareMetal.Serial.Setup() not actually setting up the platform serial.
• Added the Plug attributes for methods in the Mosa.Kernel.BareMetal.Platform.Serial class.
• Removed unused CMOS driver in Mosa.DeviceDriver.ISA.

[tgiphil]

Update branch to latest and fix build.