Revert "correct defconfig for omnirom kernel"

This reverts commit e648f14ea0c7d71b7ab96cfb0de0ff2caa2ffc85.

Change-Id: Ifbfe63dbba3fd6272bca1c5f569b50f1336d8d07
Merge "Revert "correct defconfig for omnirom kernel"" into kitkat