docs: Remove duplicate word from vhost-user doc.
Fixes: ("docs: DPDK isn't a datapath, so don't use the term.")
Acked-by: Greg Rose
DPDK vHost User Ports
=====================
-OVS userspace switching supports supports vHost user ports as a
-primary way to interact with guests. For more information on vHost
-User, refer to the `QEMU documentation`_ on same.
+OVS userspace switching supports vHost user ports as a primary way to
+interact with guests. For more information on vHost User, refer to
+the `QEMU documentation`_ on same.
.. important::
