The Ovation Awards honor Southern California theatre, and this year’s honors were bestowed Monday. With 24 nominations, Center Theatre Group, encompassing the Ahmanson Theatre, Mark Taper Forum and Kirk Douglas Theatre, led the pack when the nominees were announced in September. In the end, CTG took only five awards, including best world premiere play for Jon Robin Baitz’s “The Paris Letter” and best play in a larger theater for Edward Albee’s “The Goat or, Who Is Sylvia?”