Are you using AFS? If not, then the note was never relevant for you.
Further the note was an Advance development, which means if you are in a release above the mentioned release then this function is already standard for AFS.
Do you even know why your delivery gets the split?
Analyze it with the report from OSS note 355404 - Why was there a delivery split during creation?
or with the included function from OSS note 399912 - Split analysis activation during delivery creation
