Remove useless fields from font config
Remove useless fields from font config

Sivalingaamorthy/fontello,cnbin/fontello,bartuspan/fontello,marcia-kubik/fontello,liguangmings/fontello,bartuspan/fontello,marcia-kubik/fontello,asrin475/fontello,vinod1988/fontello,modulexcite/fontello,vinod1988/fontello,asrin475/fontello,blackgirl/fontello,modulexcite/fontello,liguangmings/fontello,cnbin/fontello,Sivalingaamorthy/fontello,marcia-kubik/fontello,fontello/fontello,Sivalingaamorthy/fontello,katgironpe/fontello,katgironpe/fontello,fontello/fontello,blackgirl/fontello,SKing7/fontellomt,modulexcite/fontello,vinod1988/fontello,CapeSepias/fontello,cnbin/fontello,CapeSepias/fontello,fontello/fontello,CapeSepias/fontello,bartuspan/fontello,katgironpe/fontello,blackgirl/fontello,SKing7/fontellomt,liguangmings/fontello,asrin475/fontello