Remove permissions from the folder for the specified Access Control List (ACL) entry.

• Provide the folder ID for the folder to unshare.
• Provide the entityType for the type of entity to remove.
  • 0 (User)
  • 1 (Company)
  • 2 (Team)
  • 3 (Document)
  • 4 (Application)
• Provide the entity ID in the eid param.