Remove image section in nav if no image url
Remove image section in nav if no image url

felipejsm/felipejsm.github.io,soyeonclaireshim/soyeonclaireshim.github.io,leechungkyu/leechungkyu.github.io,ZhangYongA/zhangyonga.github.io,ZhangYongA/zhangyonga.github.io