livemedia-creator uses dnf so get rid of the migration bits.

do not mount /var/cache/yum as it makes no sense

Signed-off-by: Dennis Gilmore <dennis@ausil.us>

fedora-live-base.ks

@@ -285,21 +285,11 @@ chmod 755 /etc/rc.d/init.d/livesys-late
 # enable tmpfs for /tmp
 systemctl enable tmp.mount
 
-# As livecd-creator is still yum based, we only get yum's yumdb during the
-# image compose. Migrate this over to dnf so that dnf and PackageKit can keep
-# track where packages came from.
-if [ ! -d /var/lib/dnf ]; then
-  mkdir -p /var/lib/dnf
-  mv /var/lib/yum/yumdb /var/lib/dnf/
-  rm -rf /var/lib/yum/
-fi
-
 # make it so that we don't do writing to the overlay for things which
 # are just tmpdirs/caches
 # note https://bugzilla.redhat.com/show_bug.cgi?id=1135475
 cat >> /etc/fstab << EOF
 vartmp   /var/tmp    tmpfs   defaults   0  0
-varcacheyum /var/cache/yum  tmpfs   mode=0755,context=system_u:object_r:rpm_var_cache_t:s0   0   0
 EOF
 
 # work around for poor key import UI in PackageKit