Deprecate TEST_MAPPING for biometric cts

Deprecate the TEST_MAPPING since biometric cts is migrated to gcl config.

Fixes: 322111369
Test: https://atp.googleplex.com/tests/v2/android-biometric-eng/biometric_cts_presubmit?tabId=test_run
Change-Id: I4fcbabfba037b85939951950fa7b6640e6d09819