489af188c0
Ironic no longer uses rootwrap since iscsi deploy was removed. See [1]
for details.
Remove the config files and the command for rootwrap because these are
useless. We can remove these from the repository first to force distros
get rid of these.
[1] be09717be2
Change-Id: I0a8e26e8990eae8108537541159f7810d35b70f1
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>