Remove comment about keeping version in sync with www/h2o, since the embedded version in www/h20,mruby is unrelated to lang/mruby. www/h20,mruby analysis from gkoehler@
Remove comment about keeping version in sync with www/h2o, since the embedded version in www/h20,mruby is unrelated to lang/mruby. www/h20,mruby analysis from gkoehler@