Remove telephony bits that aren't compatible with AOSP

* Revert "MSim: Add support to enable/disable mobile data"
* Revert "MSIM: voice/sms subscription related API changes."
* Revert "MSIM(Telephony):Add changes to SMS APIs as per new SmsManager design"
* Revert "Telephony(MSIM): Add support for MultiSim."
* Revert "Add Manual Provisioning Support"
* Revert "Telephony: Add ME Depersonalization support"