MAINTAINERS: can: xilinx_can: remove Naga Sureshkumar Relli

Mails to naga.sureshkumar.relli@xilinx.com are bouncing due to a mail
loop. Seems Naga Sureshkumar Relli has left the company.

Remove Naga Sureshkumar Relli from the xilinx_can driver.

Cc: Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>
Link: https://lore.kernel.org/all/20240213-xilinx_can-v1-1-79820de803ea@pengutronix.deSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

MAINTAINERS

@@ -24140,7 +24140,6 @@ F:	drivers/net/ethernet/xilinx/xilinx_axienet*
 
 XILINX CAN DRIVER
 M:	Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>
-R:	Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
 L:	linux-can@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/can/xilinx,can.yaml