bgp: T2387: rename new implementation else system will not boot
bgp: T2387: rename new implementation else system will not boot

It is not possible to simply remove the node.def file in a tag node. Rather
rename the tag node to take it out of order by default. Upcoming BGP developers
simply need to remove this line in the Makefile added by the commit.

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