[纪秀峰]:Reverting "[纪秀峰]:(define-key erlang-mode-map (kbd "C-c e") 'my-erlang-insert-edoc)"

This reverts commit cf307fd733bae4c793793f8a9aa25b68a0ca1f13.

受影响的文件:
    site-lisp/joseph/joseph-erlang.el