Revert "Merge pull request #1940 from vanstee/travis-r16b03"
Revert "Merge pull request #1940 from vanstee/travis-r16b03"

Travis does not support R16B03 yet.

kimshrier/elixir,joshprice/elixir,ggcampinho/elixir,lexmag/elixir,pedrosnk/elixir,beedub/elixir,kelvinst/elixir,kelvinst/elixir,beedub/elixir,elixir-lang/elixir,antipax/elixir,kimshrier/elixir,antipax/elixir,gfvcastro/elixir,ggcampinho/elixir,lexmag/elixir,michalmuskala/elixir,gfvcastro/elixir,pedrosnk/elixir