Fix unused warnings

Author: ericmj

lib/elixir/src/elixir_quote.erl

@@ -151,7 +151,7 @@ escape(Expr, Unquote) ->
 
 %% Quotes an expression and return its quoted Elixir AST.
 
-quote({unquote_splicing, _, [_]}, Binding, #elixir_quote{unquote=true}, E) ->
+quote({unquote_splicing, _, [_]}, _Binding, #elixir_quote{unquote=true}, _) ->
   argument_error(<<"unquote_splicing only works inside arguments and block contexts, "
     "wrap it in parens if you want it to work with one-liners">>);
 

lib/mix/lib/mix/tasks/deps.unlock.ex

@@ -41,8 +41,4 @@ defmodule Mix.Tasks.Deps.Unlock do
                   "the --all option to unlock all dependencies"
     end
   end
-
-  defp unlock(apps) do
-
-  end
 end