Xen 4.1: Drop support for vmxassist
Xen 4.1: Drop support for vmxassist

It hasn't existed since Xen 3.3 and is not supported by the upstream ocaml bindings.

Signed-off-by: Ian Campbell <9be92b3dbbd6611e3e4c9209fb3d04b4919e7cca@citrix.com>
Signed-off-by: Zheng Li <fff69bf00b8ec5b6098a1768eaaaa75f40b8795d@eu.citrix.com>

djs55/xcp-networkd,djs55/squeezed,robhoes/squeezed,djs55/xcp-rrdd,sharady/xcp-networkd,sharady/xcp-networkd,djs55/xcp-networkd,koushikcgit/xcp-rrdd,koushikcgit/xcp-networkd,johnelse/xcp-rrdd,koushikcgit/xcp-networkd,johnelse/xcp-rrdd,djs55/xcp-rrdd,simonjbeaumont/xcp-rrdd,koushikcgit/xcp-rrdd,simonjbeaumont/xcp-rrdd,koushikcgit/xcp-rrdd