PHILADELPHIA — Joel Embiid was missed. The Washington Wizards took advantage of the height difference created by the 76ers’ 7-foot-2, 280-pounder’s absence. Dominating the paint, the Wizards prevailed, 121-111, Wednesday night at the Wells Fargo Center. Embiid missed his second consecutive game with the flu. The Sixers (4-5) were also without De’Anthony Melton (lower-back stiffness). Washington (4-4) outscored the Sixers 68-38 in the paint. They also blocked nine shots and altered several others. The loss dropped the Sixers to 4-5 and snapped their three-game winning streak. Meanwhile, the Wiz…