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

arch/arm64/boot/dts/rockchip/rk3318-a95x-z2.dts

@@ -193,8 +193,6 @@ &gpu {
 };
 
 &hdmi {
-	ddc-i2c-scl-high-time-ns = <9625>;
-	ddc-i2c-scl-low-time-ns = <10000>;
 	status = "okay";
 };