Revert "Add anomaly reports to check if IMEI is null."

This reverts commit 58e9f0004c31c19d67ab099c5a5297c91edd6fd9.

Reason for revert: broken cts test b/247843841

Change-Id: I3df323704688510cb8fd17b8e0eb7b3d4febce7e
1 file changed