BAGHDAD — After days of conflicting statements about a timeline for President Donald Trump’s decision to withdraw American forces from Syria, a U.S. defense official said Friday the process has begun with the removal of some military cargo. The official said the movement of equipment is part of what the military calls a “deliberate withdrawal” from Syria, where some 2,000 troops have been working with a coalition of Syrian Kurdish and Arab fighters to defeat the remnants of the Islamic State group. The official, who spoke on condition of anonymity to discuss details that have not yet been publicly announced, provided no numbers, but said the equipment withdrawal is underway and that an unspecified number of additional U.S.