Revert "Switched out for ESL erlang"

This reverts commit a753ef7c23ba455e057829dc59482c1535b0371e.
We don't need to do this here.  We can override the default
type via attributes.  We will actually be removing our rabbit
fork in the next few of days.  Matt has gotten most of
our work upstreamed.

Conflicts:
	metadata.rb

Change-Id: Ie386ed169316d99278575b15b7821cc4fefce995