Revert "Telephony: fix getIccOperatorNumeric"

This reverts commit a65f33c1746c0992e71fa88b5dbb0e9226078ceb.

Change-Id: I5d096e82b5883463aba9bb2b783d790df05db90d
TeleService: Change the netType get interface

Need to fetch the family by radio technology gotten form service
state, not from telephony manager.

CRs-Fixed: 743497

Change-Id: Ife38e29f8e5bc99049c9a9ea6540fd50841ebc71