Minor comment cleanup

Author: alco

lib/iex/lib/iex/helpers.ex

@@ -264,7 +264,6 @@ defmodule IEx.Helpers do
   """
   def l(module) do
     :code.purge(module)
-    # FIXME: shouldn't we use Code.load_file here?
     :code.load_file(module)
   end
 

lib/iex/test/iex/helpers_test.exs

@@ -239,7 +239,7 @@ defmodule IEx.HelpersTest do
       assert Sample.run == :run
 
       File.write! filename, "defmodule Sample do end"
-      # FIXME: is there another way to compile a file without loading its module?
+      # FIXME: this could probably be improved
       System.cmd "../../bin/elixirc sample.ex"
 
       assert l(Sample) == {:module, Sample}