bump pxe_config: no random wait for ansible-pull-script in rc.local
bump pxe_config: no random wait for ansible-pull-script in rc.local

https://github.com/CSC-IT-Center-for-Science/ansible-role-pxe_config/commit/cb4cd79f4db80ab336dc05edb7416c1f38442264

mantti/fgci-tut,mantti/fgci-tut,CSC-IT-Center-for-Science/fgci-ansible,mantti/fgci-tut