Revert "Left Ear-jack detection & End Key enable"

Temp fix for a minor error in this commit
This reverts commit 9ab55f98b0ec3fc85008984aa354737222debac2

Change-Id: Ifce7f04685d397f37178657e3a78cc45396edc87
Merge "Revert "Left Ear-jack detection & End Key enable"" into cm-10.1