Verify command used encoding
Verify command used encoding

Remove utf-8 encoding from subprocess command.

Refs #14249

milljm/moose,laagesen/moose,harterj/moose,milljm/moose,sapitts/moose,bwspenc/moose,bwspenc/moose,andrsd/moose,SudiptaBiswas/moose,jessecarterMOOSE/moose,SudiptaBiswas/moose,idaholab/moose,andrsd/moose,milljm/moose,andrsd/moose,andrsd/moose,jessecarterMOOSE/moose,harterj/moose,harterj/moose,sapitts/moose,bwspenc/moose,milljm/moose,idaholab/moose,SudiptaBiswas/moose,lindsayad/moose,nuclear-wizard/moose,dschwen/moose,sapitts/moose,idaholab/moose,laagesen/moose,nuclear-wizard/moose,lindsayad/moose,jessecarterMOOSE/moose,nuclear-wizard/moose,lindsayad/moose,andrsd/moose,dschwen/moose,laagesen/moose,sapitts/moose,harterj/moose,SudiptaBiswas/moose,dschwen/moose,laagesen/moose,jessecarterMOOSE/moose,milljm/moose,idaholab/moose,jessecarterMOOSE/moose,lindsayad/moose,nuclear-wizard/moose,sapitts/moose,dschwen/moose,harterj/moose,lindsayad/moose,laagesen/moose,idaholab/moose,SudiptaBiswas/moose,dschwen/moose,bwspenc/moose,bwspenc/moose