klte-common: remove bogus MMS overlay.

* This is already taken care of in samsung_qcom-common and is cuasing
data drops with some carriers after receiving an MMS

Change-Id: If433179e5b8ededbe1e2960f7ffa5cf6ca5f0c71
(cherry picked from commit 7824113c99d5ee6486a6d8bc4490229d47928dc7)