MAINTAINERS: crypto: ccree: remove co-maintainer

The best-laid plans of mice and men often go awry.
Remove Yael C. as co-maintainer as she moved on to other endeavours.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -3512,7 +3512,6 @@ F:	include/linux/spi/cc2520.h
 F:	Documentation/devicetree/bindings/net/ieee802154/cc2520.txt
 
 CCREE ARM TRUSTZONE CRYPTOCELL REE DRIVER
-M:	Yael Chemla <yael.chemla@foss.arm.com>
 M:	Gilad Ben-Yossef <gilad@benyossef.com>
 L:	linux-crypto@vger.kernel.org
 S:	Supported