Revert of Host fingerprint mojo service within the device service.

services/device/public/interfaces/fingerprint.mojom

Index: services/device/public/interfaces/fingerprint.mojom
diff --git a/services/device/public/interfaces/fingerprint.mojom b/services/device/public/interfaces/fingerprint.mojom
deleted file mode 100644
index 21de58bae8cea075b98b7144866a0b0fbabf8bd0..0000000000000000000000000000000000000000
--- a/services/device/public/interfaces/fingerprint.mojom
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-module device.mojom;
-
-// This interface is ChromeOS-specific. If it is ever desired
-// to support a more general fingerprint service across more
-// platforms, the interface would need to be generalized.
-// Interface for obeserving fingerprint daemon signals.
-interface FingerprintObserver{
-  // Called when biometics device powers up or is restarted.
-  OnRestarted();
-
-  // Called whenever a user attempts a scan. |scan_result| tells whether the
-  // scan was succesful. |is_complete| tells whether enrollment is complete
-  // and now over.
-  OnScanned(uint32 scan_result, bool is_complete);
-
-  // Called to indicate a bad scan of any kind, or a succesful scan. If scan
-  // is successful, |recognized_user_ids| will equal all the enrollment IDs
-  // that match the scan.
-  OnAttempt(uint32 scan_result, array<string> recognized_user_ids);
-
-  // Called during either mode to indicate a failure. Any enrollment that was
-  // underway is thrown away and authentication will no longer be happening.
-  OnFailure();
-};
-
-// Interface for communicating with fingerprint deamon through dbus.
-interface Fingerprint {
-  // Gets all the enrollments registered with this biometric.
-  GetFingerprintsList() => (array<string> enrollments);
-
-  // Starts the biometric enrollment.
-  StartEnroll(string user_id, string label);
-
-  // Ends the current enroll.
-  CancelCurrentEnroll();
-
-  // Gets label of the enrollment.
-  GetLabel(int32 index) => (string label);
-
-  // Changes the label of the enrollment to |label|.
-  SetLabel(string label, int32 index);
-
-  // Removes the enrollment. This enrollment will no longer
-  // be able to used for authentication.
-  RemoveEnrollment(int32 index);
-
-  // Starts the biometric authentication.
-  StartAuthentication();
-
-  // Ends the current autentication.
-  EndCurrentAuthentication();
-
-  // Irreversibly destroys all enrollments registered with this biometric.
-  DestroyAllEnrollments();
-
-  // Adds fingerprint observers and notifies them when receiving signals.
-  AddFingerprintObserver(FingerprintObserver observer);
-};
-