Deleted MAC Clover release history

Property	Value
description	Removed the MAC Clover release-history tree from MAC Docs.
version	0.68.0
type	Delete
related	MAC Clover

• Removed the MAC Clover release-history tree from MAC Docs.
• Removed the matching MAC Clover release-history .base files.
• Kept the MAC Clover product doc as a planned company AI agent note.