FreeBSD/src a47bd78 (r342070)sys/dev/netmap ixgbe_netmap.h if_ixl_netmap.h

MFC r341680

netmap: remove dead code obsoleted by iflib

The iflib subsystem implements netmap support in a driver-independent
way (sys/net/iflib.c). We can therefore remove the headers that
used to implement netmap support for all the drivers now supported
by iflib (em, igb, ixl, ixgbe, lem).
DeltaFile
+0-508sys/dev/netmap/ixgbe_netmap.h
+0-420sys/dev/netmap/if_ixl_netmap.h
+0-329sys/dev/netmap/if_em_netmap.h
+0-321sys/dev/netmap/if_lem_netmap.h
+0-309sys/dev/netmap/if_igb_netmap.h
+0-1,8875 files

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