{
  "atom-text-editor": {
    "ctrl-alt-b": "latex:build",
    "ctrl-alt-s": "latex:sync"
  }
}

{
  "atom-text-editor": {
    "ctrl-alt-b": "latex:build",
    "ctrl-alt-s": "latex:sync",
    "ctrl-alt-c": "latex:clean"
  }
}

Add crtl-alt-c => clean shortcut
Add crtl-alt-c => clean shortcut