useradd_base.bbclass: Do not warn without a reason
In
c0da4270c76375a7a8cbcc09319fe4570ebbc5bd two bbwarn were changed to
bbnote for the case where an added user or group already exists. The
same should have been done for groupmems, groupdel and userdel as well
since the warnings that are currently generated are superflouous.
The two remaining similar bbwarn for groupmod and usermod are left as
is since there they actually make sense.
Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
