FIX: Delete broken dep on Elixir Compile

[javadabadoo]

No description provided.

[namxam]

* Updating java_erlang (git@github.com:fredlund/JavaErlang.git)
** (Protocol.UndefinedError) protocol String.Chars not implemented for {:git, 'git://github.com/uwiger/edown.git', {:branch, 'master'}}
    (elixir) lib/string/chars.ex:3: String.Chars.impl_for!/1
    (elixir) lib/string/chars.ex:17: String.Chars.to_string/1
    (mix) lib/mix/rebar.ex:123: Mix.Rebar.compile_req/1
    (mix) lib/mix/rebar.ex:88: Mix.Rebar.parse_dep/2
    (elixir) lib/enum.ex:1043: anonymous fn/3 in Enum.map/2
    (elixir) lib/enum.ex:1387: Enum."-reduce/3-lists^foldl/2-0-"/3
    (elixir) lib/enum.ex:1043: Enum.map/2
    (mix) lib/mix/dep/loader.ex:286: anonymous fn/2 in Mix.Dep.Loader.rebar_children/1

[ylankgz]

@namxam include java_erlang in your deps with make:
{:java_erlang, github: "fredlund/JavaErlang", manager: :make}