Instead of accessing the upgrade version from environment
variable, set the variable directly in configuration file.
Signed-off-by: Yug <yuggupta27@gmail.com>
The Jenkins Jobs Builder files reference 'sandbox: true' as an option,
but this does not exist (anymore). Having the option causes warnings in
the Jenkins WebUI for admin users.
Signed-off-by: Niels de Vos <ndevos@redhat.com>