Revert "correct defconfig for omnirom kernel"

This reverts commit e648f14ea0c7d71b7ab96cfb0de0ff2caa2ffc85.

Change-Id: I53ecfdc6d2f1b66e7c277272a1cadb946c7846d0
Merge "Revert "correct defconfig for omnirom kernel"" into kitkat