Revert "core and telephony: Additional HSPAP support"

This reverts commit 0853b3df5992fc73fa78a379578222a914e0c856.
Revert "Telephony: check if the provisioning apn is actually empty before"

This reverts commit f2e38fc1bae8897ab0bcecd70ade7cf07961eb47.
Revert "Telephony: DcTracker: Fix CDMA APN Data issues."

This reverts commit 5085248b4835f68b93065a99612f1ed766367af4.