images: remove duplicate packages
As a result of packages
`iptables`, `ethtool`, and `socat` ended up being defined twice for
`yum install`. This removes duplicate packages in the same command
@@ -18,7 +18,7 @@ RUN INSTALL_PKGS=" \
socat ethtool device-mapper iptables nmap-ncat e2fsprogs \
xfsprogs device-mapper-persistent-data ceph-common \
libmnl libnetfilter_conntrack conntrack-tools \
- libnfnetlink iptables iproute bridge-utils procps-ng ethtool socat openssl \
+ libnfnetlink iproute bridge-utils procps-ng openssl \
binutils xz kmod-libs kmod sysvinit-tools device-mapper-libs dbus \
iscsi-initiator-utils bind-utils \
" && \
