luci-app-qos: remove support for mini admin

git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9763 ab181a69-ba2e-0410-a84d-ff88ab4c47bc
po: initialize Slovak translation

git-svn-id: http://svn.luci.subsignal.org/luci/trunk@9764 ab181a69-ba2e-0410-a84d-ff88ab4c47bc