Remove unecessary concatenation operator
Remove unecessary concatenation operator

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