ARM: msm: dts: Remove force ufs probe flag in emmc based device

Remove force-ufshc-probe in emmc based boot device.
It was added to cdp,dtsi for prototyping using UFS as
extended storage on eMMC target. This flag is not really
needed. Hence removing it.

Change-Id: I7a97c53e1db75050e9ca89ab67b480085c8790aa
Signed-off-by: Nitin Rawat <nitirawa@codeaurora.org>