Catherine O’Hara’s death at 71 sent shock waves throughout Hollywood. The comedic actor has been remembered by former “The Studio” co-star Seth Rogen as “hysterical, kind, intuitive, generous” and by her contemporary and friend Martin Short as “the greatest, most brilliant, kindest, sweetest angel that any of us worked with.” Details from her death certificate were revealed Monday by TMZ , which confirmed a pulmonary embolism as the cause of death on Jan. 30. It also showed she had been