Revert "Telephony: Add getLteOnGsmMode() method (2/2)"

This reverts commit 4311021106f0a6cec7620c5cd19bed2972220aa4.
Revert "Telephony: Add getLteOnGsmMode() method (2/2)"

This reverts commit 99730889edf8d1f5c20c38fe4cc7876cfbb112ef.
Revert "Don't display prompt when card inserted/removed"

This reverts commit 3ce23e175bd34f772cd6f7ef8f1ccfdd5f1a407f.