openshift.ks: Delete NAMED_ENTRIES

configure_named: Instead of setting NAMED_ENTRIES=${CONF_NAMED_ENTRIES}
and then using NAMED_ENTRIES, just use CONF_NAMED_ENTRIES directly.
Merge pull request #74 from Miciah/openshift.ks-delete_NAMED_ENTRIES-use-CONF_NAMED_ENTRIES

openshift.ks: Delete NAMED_ENTRIES