message: Update config/sample-runs.sh:
  Remove the "convergence" group from the "groups_serial" variable
  because there are no serial tests in it.
diff: @@ -45,10 +45,6 @@ groups_serial=(
  "Meshing miniapps:"
  "miniapps/meshing"
  "mobius-strip.cpp klein-bottle.cpp mesh-optimizer.cpp"'
  -'"convergence"
  - "Convergence tests:"
  - "tests/convergence"
  - "diffusion.cpp"'
  )
  # Parallel groups
  groups_parallel=(
  