pppoe: T1318: bugfix: proper use of ip-pre-up.d directory
pppoe: T1318: bugfix: proper use of ip-pre-up.d directory

Commit b250b233ec1 ("pppoe: T1318: move Jinja2 templates to data/templates
folder") actually placed the pre-up configuration script into the ip-up
folder.

vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x