board-msm7x27a-storage: Do not use HW DETECTION for SKU5

SDC1 is not removable. the GPIO for HW Detection for
SKU5 device is not applicable. Hence removing it.

Change-Id: I0a4a7c04ddbaa127e7858210f02f9c4d50e087ef
Signed-off-by: Aparna Mallavarapu <aparnam@codeaurora.org>
1 file changed