MAINTAINERS: net: Update reviewers for TI's Ethernet drivers

Remove myself as reviewer for TI's ethernet drivers
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20240516082545.6412-1-r-gunasekaran@ti.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -22275,7 +22275,6 @@ F:	drivers/counter/ti-eqep.c
 
 TI ETHERNET SWITCH DRIVER (CPSW)
 R:	Siddharth Vadapalli <s-vadapalli@ti.com>
-R:	Ravi Gunasekaran <r-gunasekaran@ti.com>
 R:	Roger Quadros <rogerq@kernel.org>
 L:	linux-omap@vger.kernel.org
 L:	netdev@vger.kernel.org