Remove `chef-windows` software and project

The main `chef` project definition now builds correctly across ALL
platforms.
Update to `omnibus` cookbook `2.3.0`
Update build scripts for Omnibus 4 CLI options
Ensure `openssl-customization` dep exists in ChefDK software
Remove legacy `chef-solo` code from build scripts
[WIP] updated omnibus and omnibus-software with fixes

This should not be merged!