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 <tanureal@opensource.cirrus.com
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com
Link: https://lore.kernel.org/r/20230512154503.741718-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org

Author: Lucas Tanure

MAINTAINERS

@@ -4921,7 +4921,6 @@ F:	drivers/media/cec/i2c/ch7322.c
 CIRRUS LOGIC AUDIO CODEC DRIVERS
 M:	James Schulman <james.schulman@cirrus.com>
 M:	David Rhodes <david.rhodes@cirrus.com>
-M:	Lucas Tanure <tanureal@opensource.cirrus.com>
 M:	Richard Fitzgerald <rf@opensource.cirrus.com>
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 L:	patches@opensource.cirrus.com