directory: remove duplicate embedded icons from CSS
directory: remove duplicate embedded icons from CSS

mi2oon/connect,lian774739140/connect,tanveer12332/connect,khirayama/connect,mi2oon/connect,senchalabs/connect,khalerc/connect,llwanghong/connect,dkfiresky/connect,chinazhaghai/connect,wghust/connect,RoseTHERESA/connect,behind2/connect,liuwei9413/connect,qitianchan/connect,gtomitsuka/connect,RickyDan/connect,austincitylimits/connect,keenwon/connect