Remove unnecessary string interpolation

Author: lexmag

lib/mix/test/mix/tasks/compile.elixir_test.exs

@@ -67,7 +67,7 @@ defmodule Mix.Tasks.Compile.ElixirTest do
       assert Mix.Dep.ElixirSCM.read == {:ok, System.version, Mix.SCM.Path}
 
       Mix.Task.clear
-      manifest_data = :erlang.term_to_binary({:v1, "#{System.version}", :another})
+      manifest_data = :erlang.term_to_binary({:v1, System.version, :another})
       File.write!("_build/dev/lib/sample/.compile.elixir_scm", manifest_data)
       File.touch!("_build/dev/lib/sample/.compile.elixir_scm", {{2010, 1, 1}, {0, 0, 0}})
 

lib/mix/test/mix/tasks/deps_test.exs

@@ -537,7 +537,7 @@ defmodule Mix.Tasks.DepsTest do
       Mix.Tasks.Deps.Check.run []
 
       File.mkdir_p!("_build/dev/lib/ok/ebin")
-      manifest_data = :erlang.term_to_binary({:v1, "#{System.version}", :scm})
+      manifest_data = :erlang.term_to_binary({:v1, System.version, :scm})
       File.write!("_build/dev/lib/ok/.compile.elixir_scm", manifest_data)
       Mix.Task.clear