MAINTAINERS: Remove Rafael from Opal maintainers.

He is no longer working on storage.
Signed-off-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

MAINTAINERS

@@ -12041,7 +12041,6 @@ F:	drivers/mmc/host/sdhci-spear.c
 SECURE ENCRYPTING DEVICE (SED) OPAL DRIVER
 M:	Scott Bauer <scott.bauer@intel.com>
 M:	Jonathan Derrick <jonathan.derrick@intel.com>
-M:	Rafael Antognolli <rafael.antognolli@intel.com>
 L:	linux-block@vger.kernel.org
 S:	Supported
 F:	block/sed*