LONDON (Reuters) – British royals William and Kate on Tuesday carried out their first Welsh visit since being made Prince and Princess of Wales following the death of Queen Elizabeth, as a source said there were no plans for them to have a big investiture ceremony. The couple returned to the island of Anglesey off the coast of north Wales where they lived when they were first married and William, now heir to the throne, worked as a Royal Air Force Search and Rescue helicopter pilot. They visited the Holyhead Lifeboat Station before heading to Swansea in south Wales to meet volunteers based at …