arm64: dts: rockchip: remove ddc-i2c-scl-* properties from rk3318-a95x-z2.dts

The ddc-i2c-scl-* properties in the hdmi node are
not in use in the mainline kernel, so remove them.

Reported-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20210701144110.12333-2-jbx6244@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>