Deletion of Couttsian Growth Model

Comment: all the |original research from Mr. Coutts; I was going to give him a few days to find a real source before nominating this series myself.  Note that beyond the 5 articles nominated today, he wrote Differential replication and Exponentialist, both of which are now redirects to Darwinism and Exponentialism, respectively
Stance: delete
Cited policy: Wikipedia:No original research (WP:NOR)