Holey Moley, ABC’s extreme mini-golf competition show, in which contestants face off on giant, imaginatively designed courses, is an unadulterated joy was easily one of the most compelling, uplifting shows on television this summer. And at the end of its second year, it has been rewarded with a pair of prime-time specials, the second of which (Holey Moley II: The Sequel: The Special: Unhinged, Part Deux) airs tomorrow night on ABC. So you can imagine how thrilled we were to chat with one the show’s executive producers, Charles Wachter, about this season, which has ballooned into …