fuckulated movegenerator into a good coregenerator

Need to test all edge cases for new position after move (castle/en passant/promotion).
En passant crashes, likely easy fix.
castle/promotion new position untested.

Yoda: A feature branch absolutely necessary was.
Me: With that Truth I agree.

src/position.c

@@ -203,7 +203,6 @@ pos_t *pos_dup(pos_t *pos)
 
             }
         }
-
     }
     return new;
 }