Remove another invalid syntax sample

Author: José Valim

lib/elixir/test/elixir/kernel/cli_test.exs

@@ -64,7 +64,6 @@ defmodule Kernel.CLI.SyntaxErrorTest do
   test :syntax_code_error do
     check_output('-e "[1,2"', '** (TokenMissingError) nofile:1: missing terminator: ]')
     check_output('-e "case 1 end"', %C"** (SyntaxError) nofile:1: unexpected token: end")
-    check_output('-e "æ"', '** (SyntaxError) nofile:1: invalid token: æ')
   end
 end