ag/22361082 and ag/22460413 have added a dialog preventing entering FingerprintEnrollEnrolling. So showing toast and early return in onCreate() will never be reached. This CL cleans up this obsolete code block. Bug: 283244022 Test: N/A Change-Id: Ifc5f3d909a275c735035146e44f70d2b5d5b51e3