Remove OMA-DM

* This was removed in 5.0.0_r7.0.1

Change-Id: I390b5fb6a09541bb829d239e038e056c85d66d65
Merge CyanogenMod/cm-12.0 into cm-12.0

Change-Id: I93c7c38a54ee1911dfe8e600e3bed3788c2e30a5