arm64: dts: rockchip: rk3399-hugsun-x99: remove supports-sd and supports-emmc options

The entries "supports-sd" and "supports-emmc" are not a valid Linux option
in relation with SD card or eMMC, so remove them.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20191231175054.4929-1-jbx6244@gmail.com


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