Let’s Buy British Imports, or L.B.B., agreed this week to stop importing all Cadbury’s chocolate made overseas, thanks to a settlement with the Hershey Company. The company also agreed to halt imports on KitKat bars made in Britain; Toffee Crisps, which, whose packaging closely resembles Reese’s Peanut Butter Cups; Yorkie chocolate bars, which infringe on the York peppermint patty; and Ms. Perry’s Maltesers.