FILE PHOTO OF INCA CITADEL RUINS MACHU PICCHU IN CUSCO.LIMA (Reuters) – The State Department lifted a kidnapping alert for U.S. electorate traveling to Peru's awesome Machu Picchu ruins and the encircling Cusco area after a review of the threat, the U.S. embassy mentioned on Wednesday. Final month the U.S. Embassy limited professional travel to Machu Picchu and mentioned it had knowledge that a legal crew was plotting to kidnap U.S. vacationers there. …