Print AMC Entertainment, owner of the world’s largest cinema chain, appears to be closing in on key Los Angeles-area Pacific Theatres locations, according to a person familiar with the matter who was not authorized to comment. However, the fate of Pacific’s defunct sister chain, ArcLight Cinemas, including its flagship Hollywood theater and the historic Cinerama Dome, remains unclear. In an apparent snafu, two Pacific movie houses at Rick Caruso-owned shopping complexes — the Grove in Los Angeles and the Americana at Brand in Glendale — were prematurely listed Tuesday as AMC locations on the larger exhibitor’s app and ticketing website. The theaters were later removed from the site.