MAINTAINERS: remove the obsolete section EMBEDDED LINUX

By now, many developers are working on Linux for embedded systems.  There
is no need to point out single developers.  The linux-embedded mailing
list has only little traffic, and most of it is just spam.

Remove this obsolete section.

Link: https://lkml.kernel.org/r/20230308150625.28732-1-lukas.bulwahn@gmail.com
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Cc: Olivia Mackall <olivia@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

MAINTAINERS

@@ -7525,12 +7525,6 @@ T:	git git://linuxtv.org/media_tree.git
 F:	Documentation/admin-guide/media/em28xx*
 F:	drivers/media/usb/em28xx/
 
-EMBEDDED LINUX
-M:	Olivia Mackall <olivia@selenic.com>
-M:	David Woodhouse <dwmw2@infradead.org>
-L:	linux-embedded@vger.kernel.org
-S:	Maintained
-
 EMMC CMDQ HOST CONTROLLER INTERFACE (CQHCI) DRIVER
 M:	Adrian Hunter <adrian.hunter@intel.com>
 M:	Ritesh Harjani <riteshh@codeaurora.org>