I want to remove player SAM sites (for reasons). Is there a way to remove the item from the Outpost vending machine, or else another method to ban them?

You can make them not being able to shoot pretty easily

object CanSamSiteShoot(SamSite samSite)
{
    return false;
}​

I'm sure there is a plugin for this somewhere as well

This looks like it would do the trick but unfortunately I'm just a pleb with zero plugin development experience,  so I wouldn't know how to implement it :(

I use this:
https://umod.org/plugins/compound-options
and simply remove them from outpost.
You can then sell something else instead.

That's exactly what I was originally looking for, just didn't know what to search, thanks!