Revert "Atom feed URL update"
Revert "Atom feed URL update"

This reverts commit 3899f8829f33ce4e216c4fa5fb4f3317ef7839ea.

cmnord/cmnord.github.io,LeNPaul/Lagrange,alloutcn/hzy,chunjy92/chunjy92.github.io,hanezu/hanezu.github.io,fatik/fatik.github.io,lizeyuyuz/lizeyu,leea/leea.github.io,hanezu/hanezu.github.io,gfarfanb/way-of-the-developer,chunjy92/chunjy92.github.io,JY-H/jy-h.github.io,gurcangulec/gurcangulec.github.io,cmnord/cmnord.github.io,AlexeyKalina/AlexeyKalina.github.io,LeNPaul/Lagrange,JY-H/jy-h.github.io,gfarfanb/way-of-the-developer,xunyss/xunyss.github.io,AlexeyKalina/AlexeyKalina.github.io,khtaee/khtaee.github.io,leea/leea.github.io,gurcangulec/gurcangulec.github.io