WFM remove start and check agent because runtime no longer need to be at target root
remove system namespace

The goal for new installer is to not need yast on target system. The
last piece needing system namespace was bootloader configuration. Since
p-BL-0.800 it have yaml CLI interface that can be used with common
system agent instead of own System namespace to communicate directly
with library.
remove scr_remote which without system namespace useless
fix spec file
changes
Merge pull request #70 from yast/remove_system_namespace2

Remove system namespace2