Remove all monitors before adding ours (closes #2245)
Remove all monitors before adding ours (closes #2245)

r22160

adamLange/moose,liuwenf/moose,friedmud/moose,backmari/moose,yipenggao/moose,jiangwen84/moose,dschwen/moose,liuwenf/moose,raghavaggarwal/moose,idaholab/moose,giopastor/moose,harterj/moose,markr622/moose,roystgnr/moose,jiangwen84/moose,jasondhales/moose,markr622/moose,raghavaggarwal/moose,jinmm1992/moose,jasondhales/moose,wgapl/moose,mellis13/moose,waxmanr/moose,joshua-cogliati-inl/moose,idaholab/moose,mellis13/moose,roystgnr/moose,Chuban/moose,YaqiWang/moose,friedmud/moose,joshua-cogliati-inl/moose,stimpsonsg/moose,dschwen/moose,adamLange/moose,backmari/moose,WilkAndy/moose,tonkmr/moose,harterj/moose,zzyfisherman/moose,kasra83/moose,andrsd/moose,milljm/moose,SudiptaBiswas/moose,laagesen/moose,idaholab/moose,apc-llc/moose,SudiptaBiswas/moose,nuclear-wizard/moose,shanestafford/moose,zzyfisherman/moose,friedmud/moose,WilkAndy/moose,permcody/moose,katyhuff/moose,harterj/moose,shanestafford/moose,danielru/moose,roystgnr/moose,jinmm1992/moose,raghavaggarwal/moose,cpritam/moose,YaqiWang/moose,stimpsonsg/moose,sapitts/moose,jiangwen84/moose,liuwenf/moose,milljm/moose,xy515258/moose,idaholab/moose,zzyfisherman/moose,jbair34/moose,liuwenf/moose,milljm/moose,waxmanr/moose,backmari/moose,capitalaslash/moose,jbair34/moose,katyhuff/moose,waxmanr/moose,SudiptaBiswas/moose,wgapl/moose,sapitts/moose,joshua-cogliati-inl/moose,WilkAndy/moose,yipenggao/moose,jinmm1992/moose,Chuban/moose,sapitts/moose,kasra83/moose,friedmud/moose,cpritam/moose,WilkAndy/moose,andrsd/moose,nuclear-wizard/moose,cpritam/moose,lindsayad/moose,roystgnr/moose,katyhuff/moose,shanestafford/moose,zzyfisherman/moose,jinmm1992/moose,harterj/moose,capitalaslash/moose,SudiptaBiswas/moose,jasondhales/moose,roystgnr/moose,jessecarterMOOSE/moose,yipenggao/moose,giopastor/moose,andrsd/moose,laagesen/moose,milljm/moose,xy515258/moose,lindsayad/moose,jessecarterMOOSE/moose,tonkmr/moose,raghavaggarwal/moose,roystgnr/moose,permcody/moose,backmari/moose,jbair34/moose,joshua-cogliati-inl/moose,YaqiWang/moose,idaholab/moose,wgapl/moose,zzyfisherman/moose,giopastor/moose,jessecarterMOOSE/moose,lindsayad/moose,katyhuff/moose,mellis13/moose,dschwen/moose,giopastor/moose,WilkAndy/moose,roystgnr/moose,sapitts/moose,nuclear-wizard/moose,Chuban/moose,cpritam/moose,harterj/moose,tonkmr/moose,stimpsonsg/moose,laagesen/moose,capitalaslash/moose,milljm/moose,tonkmr/moose,laagesen/moose,tonkmr/moose,yipenggao/moose,xy515258/moose,jhbradley/moose,waxmanr/moose,markr622/moose,bwspenc/moose,dschwen/moose,shanestafford/moose,laagesen/moose,cpritam/moose,andrsd/moose,jessecarterMOOSE/moose,danielru/moose,permcody/moose,jasondhales/moose,andrsd/moose,lindsayad/moose,stimpsonsg/moose,YaqiWang/moose,apc-llc/moose,nuclear-wizard/moose,danielru/moose,Chuban/moose,bwspenc/moose,xy515258/moose,jhbradley/moose,WilkAndy/moose,liuwenf/moose,bwspenc/moose,jbair34/moose,bwspenc/moose,adamLange/moose,dschwen/moose,tonkmr/moose,zzyfisherman/moose,apc-llc/moose,apc-llc/moose,adamLange/moose,capitalaslash/moose,kasra83/moose,markr622/moose,jhbradley/moose,jessecarterMOOSE/moose,kasra83/moose,mellis13/moose,wgapl/moose,permcody/moose,jhbradley/moose,lindsayad/moose,cpritam/moose,liuwenf/moose,shanestafford/moose,SudiptaBiswas/moose,jiangwen84/moose,sapitts/moose,shanestafford/moose,bwspenc/moose,danielru/moose