(Reuters)—The U.S. Food and Drug Administration approved Pfizer Inc’s second biosimilar to Johnson & Johnson’s blockbuster rheumatoid arthritis drug, Remicade, the company said on Wednesday. Pfizer’s Ixifi was approved for all eligible indications of Remicade, including the treatment of bowel disease Crohn’s disease and skin disorder plaque psoriasis, the drugmaker said. Biosimilars are medicines deemed…