Clean up Storage::queue_storage_event
Clean up Storage::queue_storage_event

This moves the Runnable type directly in the method and makes it not use
main_thread_handler, which is unneeded here anyway.

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