MAINTAINERS: Remove self from Cirrus Codec drivers

I'm leaving Cirrus Logic, and will no longer have access to
hardware and documentation necessary to be effective in a
maintainership role.

Signed-off-by: Lucas Tanure <[e-mail]
Signed-off-by: Richard Fitzgerald <[e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]

MAINTAINERS

···
 CIRRUS LOGIC AUDIO CODEC DRIVERS
 M:	James Schulman <[e-mail]>
 M:	David Rhodes <[e-mail]>
-M:	Lucas Tanure <[e-mail]>
 M:	Richard Fitzgerald <[e-mail]>
 L:	[e-mail] (moderated for non-subscribers)
 L:	[e-mail]