EPIC: Remove NSSM

[twangboy]

saltstack/salt#59148

• Create Service manager in Python
• Remove NSSM from NSIS Installer

Do we recreate NSSM using another language (rust)?
Do we provide hooks into Salt for the Windows Service Manager?

https://pypi.org/project/pywinservicemanager/1.0.2/
http://thepythoncorner.com/dev/how-to-create-a-windows-service-in-python/

https://github.com/microsoft/windows-rs/discussions/726

Stackoverflow 2017