erlang-cherly source package infomation

- Remove source code

  erlang-cherly's original source codes contains rebar binary.
  The source package of Debian has deleted this binary.

- Debian's upstream is not original.

  erlang-cherly's upstream is "https://www.github.com/leo-project/cherly.git".
  This fork from original upstream at "https://github.com/cliffmoon/cherly".

 -- Nobuhiro Iwamatsu <iwamatsu@debian.org> SThu, 27 Sep 04:31:12 2012 +0900
