Revert "Dialer: Display 14 digit IMEI(Ignore Check Digit)"

There is no reason for any device to hide the check digit.
Revert the unnecessary CAF change.

This commit depends on the commits with the following change-ids:
I51b813ecf0ce61b7131c2de2a9e5ae239f195410 in Settings
Id3a7ff108124e3ffe4180233eb086151fdc20f03 in telephony framework

This reverts commit 87c9459f.

Change-Id: Ie55c5b1cb3231a58706e5d8f9ecc79e8118d2181