Remove existing netman_watch_dns

This daemon catered to watching for DNS entries supplied by DHCP
and updating resolv.conf. Now that this functionality has been
merged into network manager daemon, this daemon needs to be
deleted.

Fixes openbmc/openbmc#2107

Change-Id: I6c10d0fb2d3701a5e7027f8164cd830f34be63bc
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
2 files changed