We don't need anymore the DISTRO_TYPE, DISTRO_OSTREE and MACHINE_TYPE.
Also the "set -a" was causing troubles after sourcing the script in ZSH
and doing copy-pastes. Therefore we just export the required variables.
In order to avoid issues like missing licenses or corrupted kernel
shared directory, it is better to remove this hack and always include
the fct layer.
BugzID: 70627
Alexandre Bard
Lucien Mueller