Remove useless traverse_subtree call warning.
Remove useless traverse_subtree call warning.

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