datapath: Drop queue information from odp_stats.

datapath: Drop queue information from odp_stats.

This queue information will be available through the kernel socket layer
once we move over to Netlink socket as transports, so we might as well get
rid of the redundancy.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>