Once PR 45 is merged in the Cardinal repo, we will need to update the input files in this repository to reflect the new nekRS syntax (which is not backwards compatible). This will require:

• Changing some names in the .udf and .oudf files
• Don't need to explicitly call nek_copyTo when using a restart file, since nekRS does this automatically now

At the same time, we can change NEKRS_HOME in the Summit submission scripts to be read from the environment to prevent possible misuse if a script is copied as a starting point to a new case directory.