Emptying the orderfile to see its impact on R18 branch perf dashboard

BUG=none
TEST=`USE="+reorder $USE" emerge-x86-alex chromeos-chrome` and make sure the resulting Chrome image is the same as
`USE="-reorder $USE" emerge-x86-alex chromeos-chrome`
1 file changed
tree: d03bd5075bb9c7aa293e38b24230e250f994c35c
  1. c/
  2. section-ordering-files/