SEATTLE — After the storm of Wednesday when the Seahawks decided to move on from the winningest coach in their history, Pete Carroll — or fire, if you prefer — there might now be a little bit of calm. And that’s how the NFL, in part, wants it. The league has gotten increasingly prickly the past few years about assistants employed by teams that are still in the playoffs being distracted by interviews to become head coaches elsewhere. So, this year the NFL further adjusted the rules for the head-coach-hiring process. As part of the most recent changes approved in October, and as stated on the le…