MAINTAINERS: Cleanup Intel Wired LAN maintainers list

With the recent "retirements" and other changes, make the maintainers
list a lot less confusing and a bit more straight forward.
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: NJesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: NShannon Nelson <sln@onemain.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -5748,13 +5748,6 @@ F:	drivers/char/hw_random/ixp4xx-rng.c
 
 INTEL ETHERNET DRIVERS
 M:	Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-R:	Jesse Brandeburg <jesse.brandeburg@intel.com>
-R:	Shannon Nelson <shannon.nelson@intel.com>
-R:	Carolyn Wyborny <carolyn.wyborny@intel.com>
-R:	Don Skidmore <donald.c.skidmore@intel.com>
-R:	Bruce Allan <bruce.w.allan@intel.com>
-R:	John Ronciak <john.ronciak@intel.com>
-R:	Mitch Williams <mitch.a.williams@intel.com>
 L:	intel-wired-lan@lists.osuosl.org (moderated for non-subscribers)
 W:	http://www.intel.com/support/feedback.htm
 W:	http://e1000.sourceforge.net/