manifest: Delete nonexistent component
manifest: Delete nonexistent component

It's actually xorg-lib-libX11.

chergert/gnome-continuous,GNOME/gnome-ostree,vrutkovs/vrutkovs.github.io,vrutkovs/vrutkovs.github.io,GNOME/gnome-ostree,vrutkovs/vrutkovs.github.io,chergert/gnome-continuous,GNOME/gnome-ostree,chergert/gnome-continuous