Remove unused PostorderDomTraversal::should_prune
Remove unused PostorderDomTraversal::should_prune

paulrouget/servo,nnethercote/servo,CJ8664/servo,sadmansk/servo,paulrouget/servo,thiagopnts/servo,notriddle/servo,ConnorGBrewster/servo,steveklabnik/servo,fiji-flo/servo,pyfisch/servo,thiagopnts/servo,anthgur/servo,steveklabnik/servo,DominoTree/servo,notriddle/servo,larsbergstrom/servo,pyfisch/servo,jimberlage/servo,dati91/servo,splav/servo,saneyuki/servo,splav/servo,nnethercote/servo,SimonSapin/servo,rnestler/servo,splav/servo,emilio/servo,jimberlage/servo,dati91/servo,splav/servo,avadacatavra/servo,emilio/servo,thiagopnts/servo,szeged/servo,DominoTree/servo,peterjoel/servo,larsbergstrom/servo,emilio/servo,mbrubeck/servo,larsbergstrom/servo,upsuper/servo,paulrouget/servo,notriddle/servo,cbrewster/servo,peterjoel/servo,KiChjang/servo,thiagopnts/servo,dati91/servo,mbrubeck/servo,dsandeephegde/servo,DominoTree/servo,pyfisch/servo,upsuper/servo,notriddle/servo,cbrewster/servo,szeged/servo,eddyb/servo,nnethercote/servo,paulrouget/servo,avadacatavra/servo,DominoTree/servo,peterjoel/servo,CJ8664/servo,fiji-flo/servo,cbrewster/servo,eddyb/servo,nrc/servo,jimberlage/servo,splav/servo,szeged/servo,fiji-flo/servo,CJ8664/servo,fiji-flo/servo,CJ8664/servo,mbrubeck/servo,paulrouget/servo,nrc/servo,avadacatavra/servo,nnethercote/servo,eddyb/servo,emilio/servo,steveklabnik/servo,notriddle/servo,szeged/servo,paulrouget/servo,saneyuki/servo,dati91/servo,dsandeephegde/servo,anthgur/servo,mbrubeck/servo,upsuper/servo,KiChjang/servo,saneyuki/servo,pyfisch/servo,upsuper/servo,mattnenterprise/servo,rnestler/servo,larsbergstrom/servo,anthgur/servo,jimberlage/servo,notriddle/servo,canaltinova/servo,eddyb/servo,canaltinova/servo,emilio/servo,canaltinova/servo,saneyuki/servo,rnestler/servo,CJ8664/servo,jimberlage/servo,mattnenterprise/servo,SimonSapin/servo,CJ8664/servo,dsandeephegde/servo,emilio/servo,mattnenterprise/servo,fiji-flo/servo,notriddle/servo,KiChjang/servo,peterjoel/servo,dati91/servo,mattnenterprise/servo,notriddle/servo,avadacatavra/servo,notriddle/servo,sadmansk/servo,dati91/servo,splav/servo,canaltinova/servo,cbrewster/servo,anthgur/servo,eddyb/servo,sadmansk/servo,anthgur/servo,szeged/servo,eddyb/servo,jimberlage/servo,splav/servo,SimonSapin/servo,jimberlage/servo,szeged/servo,peterjoel/servo,dsandeephegde/servo,ConnorGBrewster/servo,sadmansk/servo,peterjoel/servo,steveklabnik/servo,emilio/servo,mbrubeck/servo,DominoTree/servo,nnethercote/servo,SimonSapin/servo,rnestler/servo,nrc/servo,paulrouget/servo,peterjoel/servo,pyfisch/servo,KiChjang/servo,notriddle/servo,pyfisch/servo,upsuper/servo,nnethercote/servo,mbrubeck/servo,mattnenterprise/servo,pyfisch/servo,thiagopnts/servo,thiagopnts/servo,steveklabnik/servo,larsbergstrom/servo,upsuper/servo,mbrubeck/servo,nrc/servo,peterjoel/servo,anthgur/servo,steveklabnik/servo,canaltinova/servo,splav/servo,splav/servo,cbrewster/servo,emilio/servo,SimonSapin/servo,avadacatavra/servo,paulrouget/servo,rnestler/servo,CJ8664/servo,CJ8664/servo,dsandeephegde/servo,nrc/servo,eddyb/servo,canaltinova/servo,cbrewster/servo,emilio/servo,nnethercote/servo,upsuper/servo,jimberlage/servo,KiChjang/servo,upsuper/servo,KiChjang/servo,larsbergstrom/servo,nnethercote/servo,pyfisch/servo,sadmansk/servo,mattnenterprise/servo,rnestler/servo,szeged/servo,ConnorGBrewster/servo,larsbergstrom/servo,nrc/servo,avadacatavra/servo,avadacatavra/servo,szeged/servo,sadmansk/servo,rnestler/servo,rnestler/servo,ConnorGBrewster/servo,dsandeephegde/servo,cbrewster/servo,dati91/servo,paulrouget/servo,ConnorGBrewster/servo,dati91/servo,szeged/servo,mattnenterprise/servo,mattnenterprise/servo,saneyuki/servo,KiChjang/servo,saneyuki/servo,szeged/servo,ConnorGBrewster/servo,larsbergstrom/servo,peterjoel/servo,thiagopnts/servo,pyfisch/servo,SimonSapin/servo,larsbergstrom/servo,paulrouget/servo,nrc/servo,saneyuki/servo,emilio/servo,steveklabnik/servo,SimonSapin/servo,DominoTree/servo,canaltinova/servo,KiChjang/servo,anthgur/servo,splav/servo,nnethercote/servo,sadmansk/servo,dsandeephegde/servo,DominoTree/servo,ConnorGBrewster/servo,fiji-flo/servo,fiji-flo/servo,KiChjang/servo,DominoTree/servo,DominoTree/servo,peterjoel/servo,jimberlage/servo,saneyuki/servo,dsandeephegde/servo,avadacatavra/servo,eddyb/servo,nnethercote/servo,SimonSapin/servo,saneyuki/servo,sadmansk/servo,KiChjang/servo,thiagopnts/servo,canaltinova/servo,fiji-flo/servo,saneyuki/servo,mbrubeck/servo,DominoTree/servo,ConnorGBrewster/servo,anthgur/servo,cbrewster/servo,larsbergstrom/servo,pyfisch/servo