Revert "Merge branch 'webui_export' of https://github.com/lcoulet/kairosdb into lcoulet-webui_export"

This reverts commit 10d27cb7b8939bbfb3032b5c8a33059ef055a3a0, reversing
changes made to f5babd85f8b4fa280775d8ae299df25370a62336.