WOBURN - A judge refused to set bail for two men accused of an ambush-style murder of a Roslindale man after he ate dinner at Jake N' Joe's Sports Grille on Saturday night. According to Middlesex District Attorney Marian Ryan's office, 34-year-old Plymouth resident Pauliasky Jean Francois and Hyde Park's Eric Mills, 29, were both ordered held without bail yesterday during their arraignment hearing in Woburn District Court on murder charges. Both men are accused of gunning down 26-year-old Lloyd Borgella as he sat in his car outside of the popular Mishawum Road sports bar at approximately 9 p.m. on Saturday night, when the victim met up with an unidentified party for dinner.