Remove unused file

All references to it were removed in
b89c835e3235f2628b37de15713c311d1b5a4bad

playbooks/common/openshift-cluster/upgrades/files/rpm_versions.sh

@@ -1,12 +0,0 @@
-#!/bin/bash
-if [ `which dnf 2> /dev/null` ]; then
-  installed=$(dnf repoquery --installed --latest-limit 1 -d 0 --qf '%{version}-%{release}' "${@}" 2> /dev/null)
-  available=$(dnf repoquery --available --latest-limit 1 -d 0 --qf '%{version}-%{release}' "${@}" 2> /dev/null)
-else
-  installed=$(repoquery --plugins --pkgnarrow=installed --qf '%{version}-%{release}' "${@}" 2> /dev/null)
-  available=$(repoquery --plugins --pkgnarrow=available --qf '%{version}-%{release}' "${@}" 2> /dev/null)
-fi
-
-echo "---"
-echo "curr_version: ${installed}"
-echo "avail_version: ${available}"