[PATCH] doc: bgp: remove "advertise ipv4"

[Ondrej Zajicek]

On Sat, Nov 06, 2021 at 10:38:39AM +0100, Simon Ruderich wrote:
> The option was removed in d15b0b0a ("BGP redesign", 2016-12-07) but the
> documentation wasn't updated.

Thanks, will merge.

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
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"To err is human -- to blame it on a computer is even more so."