Delete “TODO” bundle.

No customizations here (anymore). Should be installed from TextMate’s bundle index instead.
Submodule updates: Text

Text.tmbundle: 0b34c67..a6dad0c

  * a6dad0c Reset “Enumerate Lines” command to upstream. (Stefan Daschek)

    Our customization was only a workaround for a bug regarding empty
    keybindings. It’s no longer necessary.