Update FxcmVolume.cs
Update FxcmVolume.cs

Cleaning code.
AlexCatarino/Lean,StefanoRaggi/Lean,QuantConnect/Lean,JKarathiya/Lean,jameschch/Lean,AnshulYADAV007/Lean,redmeros/Lean,AnshulYADAV007/Lean,kaffeebrauer/Lean,QuantConnect/Lean,redmeros/Lean,StefanoRaggi/Lean,JKarathiya/Lean,StefanoRaggi/Lean,jameschch/Lean,AlexCatarino/Lean,AnshulYADAV007/Lean,jameschch/Lean,StefanoRaggi/Lean,JKarathiya/Lean,QuantConnect/Lean,AnshulYADAV007/Lean,redmeros/Lean,jameschch/Lean,jameschch/Lean,Jay-Jay-D/LeanSTP,Jay-Jay-D/LeanSTP,kaffeebrauer/Lean,kaffeebrauer/Lean,JKarathiya/Lean,AlexCatarino/Lean,kaffeebrauer/Lean,AlexCatarino/Lean,Jay-Jay-D/LeanSTP,AnshulYADAV007/Lean,Jay-Jay-D/LeanSTP,kaffeebrauer/Lean,QuantConnect/Lean,redmeros/Lean,StefanoRaggi/Lean,Jay-Jay-D/LeanSTP