Yes, you may 86 modifiers.
Login to OrderCloud
Select Manage Stores
Select the Location
Select the Item the modifier is attached to
Open the modifier group and select the Actions button for the modifier
Select 86 this Option - this will 86 this option for all items that have this modifier group.
Select Save Modifier Group
Select Save Menu Item
Items will be 86'd until the next day unless you go through the steps again and select to Un-86 this option.