desktop/Vanilla-DMZ: Miscellaneous cleanups
desktop/Vanilla-DMZ: Miscellaneous cleanups

Move a code block that reduces package size to a better location which
allows using the unmodified chmod boilerplate as a bonus. Remove a
bashism of brace expansion which allows moving the separate mkdirs to a
better location as a bonus.

Signed-off-by: Robby Workman <2f5326e16de92cfeea9ded47a50f5e7144bd5a01@slackbuilds.org>

panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds,panosmdma/SlackOnly-SlackBuilds