[Mageia-sysadm] Build System cron

[Pascal Terjan]

The build system was actually not disabled by disabling it in
/etc/cron.d/build, because there was another cron entry (meaning that
it got ran twice each minute in the past):

[schedbot at valstar ~]$ crontab -l
# HEADER: This file was autogenerated at Sun Jan 08 16:00:58 +0100
2012 by puppet.
# HEADER: While it can still be managed manually, it is definitely not
recommended.
# HEADER: Note particularly that the comments starting with 'Puppet Name' should
# HEADER: not be deleted, as doing so could cause duplicate cron jobs.
# Puppet Name: dispatch jobs
* * * * * emi ; ulri