After helping make some of the most successful TV shows out of Canada ever — “Letterkenny” and “Shoresy” — Jacob Tierney figured he was done telling stories about hockey. But then he read a steamy romance novel about two hockey players who fall in love, and he realized that was the story he needed to tell. His new show, “Heated Rivalry,” comes out tomorrow. Jacob sits down with Tom Power to tell us why he thinks so many bestselling romance novels are about hockey players, and how he managed to get a “joyfully smutty” TV show greenlit.