Menu Items are never deleted in OrderCloud. If you no longer want to display certain Menu Items, here are some options.
Remove the Menu Item from being visible/orderable by the online Customer
Set the Menu Item to Inactive
Hide Menu Sections
To Remove a Menu Item from being visible/orderable online
Log into OrderCloud
Select Manage Stores
Select your Location
Select your Menu
Find the Item you want to remove and click the orange x to the right of the Menu Item. The item has not been deleted but has been removed from view.
To Set a Menu Item to Inactive
Select the Menu Item you want to make Inactive
De-select the Active button and turn the button from Orange to Gray.
Inactive Items are still in the Item Library but since they are Inactive, they won't show up.
For more info on Searching for Inactive Items
To Hide Menu Sections
If you want to hide an entire Menu Section and all of it's Menu Items at one time, learn more about Hiding Menu Sections