Auto merge of #12677 - Ms2ger:unused-float-sizes, r=Manishearth
Auto merge of #12677 - Ms2ger:unused-float-sizes, r=Manishearth

Remove unused inline_size_of_preceding_{left,right}_floats fields from BlockFlow.

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