MAINTAINERS: Mark Intel WWAN IOSM driver as orphaned

This maintainer's email no longer works. Remove it from MAINTAINERS.

I've been unable to locate a new maintainer for this at Intel. Mark
the driver as Orphaned.

Signed-off-by: Dave Hansen <[email protected]>
Cc: Loic Poulain <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Andrew Lunn <[email protected]>
Acked-by: Sergey Ryazanov <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: hansendc

MAINTAINERS

@@ -12724,9 +12724,8 @@ S:	Maintained
 F:	drivers/platform/x86/intel/wmi/thunderbolt.c
 
 INTEL WWAN IOSM DRIVER
-M:	M Chetan Kumar <[email protected]>
 L:	[email protected]
-S:	Maintained
+S:	Orphan
 F:	drivers/net/wwan/iosm/
 
 INTEL(R) FLEXIBLE RETURN AND EVENT DELIVERY