prd-flash: remove cleanup daemontools/service
prd-flash: remove cleanup daemontools/service

- old relict from unionfs is not required any more
- fixes wrc2 setting lost after SW-update (HPBLOB-2010)

Signed-off-by: Volker <261992c58b1b6d6d84d6c058330f9b9746329f0b@rademacher.de>

rdm-dev/meta-jens,rdm-dev/meta-jens,rdm-dev/meta-jens,rdm-dev/meta-jens