By Gram Slattery, Bo Erickson and Steve Holland ANKARA/WASHINGTON, July 8 (Reuters) - President Donald Trump on Wednesday informed his Syrian counterpart Ahmed al-Sharaa that he had decided to remove the country from the U.S. list of designated state sponsors of terrorism. "I promised to remove all barriers stopping you from rebuilding your country, and very soon, you will finally be able to do so," Trump wrote in a letter to Sharaa seen by Reuters.