MAINTAINERS: Remove Richard Purdie from LED maintainers

Richard has been inactive on the linux-leds list for a long time.
After email discussion we agreed on removing him from
the LED maintainers, which will better reflect the actual status.

Acked-by: Richard Purdie <[email protected]>
Signed-off-by: Jacek Anaszewski <[email protected]>

Author: jacek-anaszewski

MAINTAINERS

@@ -7909,7 +7909,6 @@ S:	Maintained
 F:	scripts/leaking_addresses.pl
 
 LED SUBSYSTEM
-M:	Richard Purdie <[email protected]>
 M:	Jacek Anaszewski <[email protected]>
 M:	Pavel Machek <[email protected]>
 L:	[email protected]