Deletion of Mentat

Comment: to Organizations of the Dune universe.  The sources, outside of the various pieces of Dune media themselves, only really discuss the group in terms of plot summary, with not enough real discussion to really expand this article to anything beyond mountains of .  However, there is a pretty suitable target to merge (preferably much more succinctly) the information on the group to
Stance: merge
Cited policy: Wikipedia:What Wikipedia is not (WP:PLOT)