Close firewall when cockpit-firewalld is uninstalled

cockpit.spec

@@ -941,6 +941,13 @@ This package allows Cockpit access through the firewall
 %files firewalld
 %license COPYING
 
+%postun firewalld
+if test -f %{_bindir}/firewall-cmd && firewall-cmd --state &>/dev/null; then
+    firewall-cmd --quiet --permanent --remove-service=cockpit && firewall-cmd --reload --quiet || true
+elif test -f %{_bindir}/firewall-offline-cmd; then
+    firewall-offline-cmd --quiet --remove-service=cockpit || true
+fi
+
 %posttrans firewalld
 if test -f %{_bindir}/firewall-cmd && firewall-cmd --state &>/dev/null; then
     firewall-cmd --quiet --permanent --add-service=cockpit && firewall-cmd --reload --quiet || true