Auto merge of #8401 - eefriedman:net-dead-sync-load, r=jdm
Auto merge of #8401 - eefriedman:net-dead-sync-load, r=jdm

Delete dead function load_bytes_iter and related code.

This code became dead with the recent CSS loading changes.

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