After an item is created you can always stop using a cover sheet for it.
Go to the item screen for the subject meeting.
On the left side of the screen, find the Item Data block.
Find Using cover sheet. If your access privileges allow you to change the cover sheet settings, the switch to the right will be enabled.
Click the switch to turn off using a cover sheet.
What are cover sheets?
How do I start using a cover sheet for an item?