Revert "Telephony: Use new apn.sim.operator_numeric property"

This reverts commit 0ff226ff8488bc018397051ddbde7de76206f9e8.

Change-Id: I64e24ec783cf1ae62ad4e2f67886b40be0c623f3
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2