Suppress the excessive logging for HAL_SERVICE_IMS

The logging related HAL_SERVICE_IMS is appearing
even in cases where there is no functional failures,
which is confusing. It appears quite frequently
in normal cases, such as hanging up a call, etc.

Bug: 340613346
Test: manual test
Step1. Confirm IMS is registered.
Step2. Dial VoLTE call
Step3. Verify the call completes successfully.

Change-Id: I9a8c1fafab96010262a3c63cb2aa98ba59d896c7