Remove reference to deprecated spack md5 command (#6537)
Remove reference to deprecated spack md5 command (#6537)


krafczyk/spack,LLNL/spack,tmerrick1/spack,krafczyk/spack,krafczyk/spack,mfherbst/spack,matthiasdiener/spack,tmerrick1/spack,EmreAtes/spack,iulian787/spack,iulian787/spack,iulian787/spack,EmreAtes/spack,mfherbst/spack,mfherbst/spack,LLNL/spack,krafczyk/spack,tmerrick1/spack,mfherbst/spack,iulian787/spack,LLNL/spack,EmreAtes/spack,krafczyk/spack,EmreAtes/spack,tmerrick1/spack,tmerrick1/spack,matthiasdiener/spack,matthiasdiener/spack,LLNL/spack,matthiasdiener/spack,iulian787/spack,LLNL/spack,EmreAtes/spack,mfherbst/spack,matthiasdiener/spack