Deprecate TEST_MAPPING for biometric hostside 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: Iaffbb6b7b527891a1e8f670b9ecc750a02508c72