ARM: dts: msm: Remove old convention of adding cd gpio to interrupt map

In older kernels, we used to add the card detect gpio in the interrupt
map. It is no longer needed. The card detect gpio will be included in
cd-gpios entry in the DT file.

Change-Id: I329403ae6ddbf2a399b51d08d156d650dd654c21
Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org>