remove_interactive - disconnect an interactive object.

int remove_interactive(object);

If the argument object is interactive, and not destructed, cause it to
be disconnected. (i.e lose it's interactive status).  Returns 1 if 
the operation succeeded, or 0 if it didn't ( object destructed, or not
interactive)

This function requires PACKAGE_CONTRIB to be defined in the options file.

 Tim Hollebeek  Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere
