doc: move dom0 removal notice in removed items
doc: move dom0 removal notice in removed items

Since the release notes has a new section for removed items,
the dom0 removal notice can be moved there.

Signed-off-by: Thomas Monjalon <5f50a84c1fa3bcff146405017f36aec1a10a9e38@monjalon.net>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk