Remove test for unused feature

Author: josevalim

lib/mix/test/mix/rebar_test.exs

@@ -216,26 +216,6 @@ defmodule Mix.RebarTest do
       end)
     end
 
-    test "gets and compiles dependencies with build_embedded" do
-      Mix.ProjectStack.post_config(build_embedded: true)
-
-      in_tmp("get and compile dependencies with build_embedded", fn ->
-        Mix.Project.push(RebarAsDep)
-
-        Mix.Tasks.Deps.Get.run([])
-        assert_received {:mix_shell, :info, ["* Getting git_rebar " <> _]}
-
-        Mix.Tasks.Deps.Compile.run([])
-        assert_received {:mix_shell, :run, ["===> Compiling git_rebar\n"]}
-        assert_received {:mix_shell, :run, ["===> Compiling rebar_dep\n"]}
-        assert :git_rebar.any_function() == :ok
-        assert :rebar_dep.any_function() == :ok
-
-        assert File.exists?("_build/dev/lib/git_rebar/ebin/git_rebar.beam")
-        assert File.exists?("_build/dev/lib/git_rebar/ebin/git_rebar.app")
-      end)
-    end
-
     # We run only on Unix because Windows has a hard time
     # removing the Rebar executable after executed.
     @tag :unix