arm64: dts: ti: k3-j721s2-common-proc-board: Drop bootargs

arm64: dts: ti: k3-j721s2-common-proc-board: 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/20230419141222.383567-6-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>