By Fatos Bytyci ZUPCE, Kosovo (Reuters) -NATO-led peacekeepers backed by helicopters on Monday oversaw the removal of roadblocks protesters had set up in Kosovo, where political tensions have flared more than two decades since a NATO campaign of airstrikes drove out Serbian forces. Kosovo police said the removal of the barricades in the north of the country allowed two border crossings with Serbia to be reopened. “Roads are now free for traffic to pass, both border crossings are open now for people and goods to cross,” the police said in a statement. The removal of the barricades came after th…