Prune before image remove.  Fixes #14023.
Prune before image remove.  Fixes #14023.

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