Revert "msm8x60_celox: Delay modem SDIO detection"

This reverts commit 903eb57ce997b2776c8869672e7c886b08cb9002.
Revert "Sultan_defconfig: Enable SDIO init work-around"

This reverts commit 09b5c84d043724b1d301d052d748e7d52c1e8db0.
Sultan*_defconfig: v1.0.3