arm64: dts: ti: k3-j721e-*: Drop bootargs

Drop bootargs from the dts. The console arguments are already covered in
stdout-path property and earlycon is a debug property that should be
enabled only when debug is desired and not as default.

Link: https://lore.kernel.org/linux-arm-kernel/81134eb9-2b7d-05bc-3035-a47f020861a8@linaro.org/Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20230419141222.383567-4-nm@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts

@@ -17,7 +17,6 @@ / {
 
 	chosen {
 		stdout-path = "serial2:115200n8";
-		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
 	};
 
 	gpio_keys: gpio-keys {

arch/arm64/boot/dts/ti/k3-j721e-sk.dts

@@ -18,7 +18,6 @@ / {
 
 	chosen {
 		stdout-path = "serial2:115200n8";
-		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
 	};
 
 	memory@80000000 {