SPOILER ALERT:  This interview contains major spoilers from “Bridge Over Troubled Water,” the Season 22 finale of ABC’s “Grey’s Anatomy.” With the conclusion of Season 22 of “Grey’s Anatomy,” Grey Sloan Memorial Hospital is bidding adieu to two of its longest-standing attendings — trauma Surgeon Owen Hunt ( Kevin McKidd ) and “Cardio God” Teddy Altman ( Kim Raver ).  It’s been a lengthy run for the doctors, with McKidd having first graced TV screens around the globe as the, in his own words, “tough to love” Dr. Hunt when Season 5 premiered in 2008 — meaning he’s spent 18 years and 17 seasons on ABC’s seemingly never-ending medical drama. Raver made her “Grey’s” debut as Dr. Altman the following year in Season 6, and after departure at the end of Season 8, returned to the cast from Season 15 onwards as the cardiothoracic surgeon audiences know and love.…