By Rich McKay and Jonathan Allen ATLANTA (Reuters) -One of three white men convicted of murdering Ahmaud Arbery, a Black man chased down and shot while jogging, withdrew his guilty plea to U.S. federal hate-crime charges on Friday and will face trial next week alongside his two codefendants. In a brief hearing in the U.S. District Court in Brunswick, Georgia, Travis McMichael said he would withdraw his guilty plea and proceed to trial on Monday alongside his father, Gregory McMichael, and their neighbor William “Roddie” Bryan. All three men were convicted last year in a separate state trial fo…