Override Atom editor ctrl+tab and ctrl+shift+tab shortcuts

I want Ctrl+Tab and Ctrl+Shift+Tab to quite simply go to Next and Previous pane. I don’t want no smart last pane used functionality. I got that in my brain. Override it like this in your keymap.cson:

'body':
  'ctrl-tab': 'pane:show-next-item'
  'ctrl-shift-tab': 'pane:show-previous-item'
  'ctrl-tab ^ctrl': 'unset!'
  'ctrl-shift-tab ^ctrl': 'unset!'

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