Remove TODOs on completed futures expiry functions
Remove TODOs on completed futures expiry functions

JKarathiya/Lean,jameschch/Lean,jameschch/Lean,AlexCatarino/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,AlexCatarino/Lean,jameschch/Lean,AlexCatarino/Lean,JKarathiya/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,QuantConnect/Lean,AlexCatarino/Lean,jameschch/Lean,QuantConnect/Lean,QuantConnect/Lean,JKarathiya/Lean,StefanoRaggi/Lean,JKarathiya/Lean,QuantConnect/Lean,jameschch/Lean