Removed boolean from LeanData writing futures files
Removed boolean from LeanData writing futures files

JKarathiya/Lean,StefanoRaggi/Lean,redmeros/Lean,AlexCatarino/Lean,Jay-Jay-D/LeanSTP,QuantConnect/Lean,redmeros/Lean,jameschch/Lean,young-zhang/Lean,kaffeebrauer/Lean,tomhunter-gh/Lean,AlexCatarino/Lean,JKarathiya/Lean,kaffeebrauer/Lean,redmeros/Lean,kaffeebrauer/Lean,StefanoRaggi/Lean,young-zhang/Lean,andrewhart098/Lean,andrewhart098/Lean,jameschch/Lean,QuantConnect/Lean,jameschch/Lean,Mendelone/forex_trading,Mendelone/forex_trading,Jay-Jay-D/LeanSTP,tomhunter-gh/Lean,QuantConnect/Lean,StefanoRaggi/Lean,AnshulYADAV007/Lean,JKarathiya/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,AnshulYADAV007/Lean,Jay-Jay-D/LeanSTP,Mendelone/forex_trading,Mendelone/forex_trading,AnshulYADAV007/Lean,young-zhang/Lean,redmeros/Lean,Jay-Jay-D/LeanSTP,JKarathiya/Lean,AlexCatarino/Lean,Jay-Jay-D/LeanSTP,andrewhart098/Lean,young-zhang/Lean,tomhunter-gh/Lean,AnshulYADAV007/Lean,AnshulYADAV007/Lean,AlexCatarino/Lean,kaffeebrauer/Lean,kaffeebrauer/Lean,jameschch/Lean,tomhunter-gh/Lean,jameschch/Lean,andrewhart098/Lean,QuantConnect/Lean