Revert existing FBE changes for ICE FBE

Revert existing FBE kernel changes for ICE upstream.
Revert UFS qcom specific ice changes.
Revert all sdhci related ICE changes formatted.
defconfig: Remove old FBE/ICE defconfigs.

Change-Id: I4d77927b6373b3bb3edfe3b060d1de272a54a426
Signed-off-by: Gaurav Kashyap <gaurkash@codeaurora.org>
Signed-off-by: Neeraj Soni <neersoni@codeaurora.org>