Add Gentoo default vars in osmap

Hide salt stdout [ERROR] if grep rc=1

Fix config state on Centos7

replace hardcoded paths with slspath variable

fix syntax error

Allows the use of gitfs mountpoint and renaming hte folder without
the need to manually update any of the paths

Simplify pillar.example

Add osmapping,defaults for modular parms

Merging as this fixes distros in Arch family.

Add chrony.removed state to uninstall package

When calling chrony.removed salt ensures the service is stopped
and the package has been removed.

Add ArchLinux support

The name from os_family was used