show only current time in the modeline

helps with pomodoro

init.el

@@ -29,6 +29,7 @@
  '(org-agenda-files (quote ("~/org/notes.org" "~/org/orgzly/work.org")))
  '(org-agenda-show-inherited-tags (quote always))
  '(org-catch-invisible-edits (quote smart))
+ '(org-clock-mode-line-total (quote current))
  '(org-icalendar-categories (quote (all-tags category)))
  '(org-icalendar-include-todo t)
  '(org-indent-mode-turns-on-hiding-stars nil)