system_api: Remove AuthenticateAuthSession

References to this are now gone from chromium and so with the cryptohome
implementation and test references also gone, we can delete this.

BUG=b:261090370
TEST=emerge-$BOARD cryptohome-client chromeos-base/system_api cryptohome

Change-Id: I07969710df85479d029b82f15c07897f736bbd66
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/4183457
Commit-Queue: John Admanski <jadmanski@chromium.org>
Tested-by: John Admanski <jadmanski@chromium.org>
Reviewed-by: Hardik Goyal <hardikgoyal@chromium.org>
NOKEYCHECK=True
GitOrigin-RevId: 9e4386fad806f1f8a5f3d6c74b8656119912d60d
diff --git a/dbus/cryptohome/UserDataAuth.proto b/dbus/cryptohome/UserDataAuth.proto
index f60bbd7..71376ea 100644
--- a/dbus/cryptohome/UserDataAuth.proto
+++ b/dbus/cryptohome/UserDataAuth.proto
@@ -745,31 +745,6 @@
   CryptohomeErrorInfo error_info = 6;
 }
 
-message AuthenticateAuthSessionRequest {
-  // Serialized form of token that is used to identify Auth Session that needs
-  // to be authenticated.
-  bytes auth_session_id = 1;
-  // Authorization data from the user.
-  cryptohome.AuthorizationRequest authorization = 2;
-}
-
-message AuthenticateAuthSessionReply {
-  // Error if any to authenticate the Auth Session.
-  // TODO(b/229807416): Remove once CryptohomeError refactor is complete.
-  CryptohomeErrorCode error = 1;
-  // Returns if the Auth Session is authenticated.
-  bool authenticated = 2;
-
-  // Indicate an error if this field exists.
-  // This field is replacing the |error| field above, for more information on
-  // which field to use and the process on the migration, see comment in
-  // CryptohomeErrorInfo.
-  CryptohomeErrorInfo error_info = 3;
-
-  // The time left in the current AuthSession after authentication.
-  optional uint32 seconds_left = 4;
-}
-
 message InvalidateAuthSessionRequest {
   // Serialized form of token that is used to identify Auth Session that needs
   // to be invalidated.
diff --git a/dbus/cryptohome/dbus-constants.h b/dbus/cryptohome/dbus-constants.h
index 5381d17..df6f4e4 100644
--- a/dbus/cryptohome/dbus-constants.h
+++ b/dbus/cryptohome/dbus-constants.h
@@ -49,7 +49,6 @@
 inline constexpr char kStartAuthSession[] = "StartAuthSession";
 inline constexpr char kAddCredentials[] = "AddCredentials";
 inline constexpr char kUpdateCredential[] = "UpdateCredential";
-inline constexpr char kAuthenticateAuthSession[] = "AuthenticateAuthSession";
 inline constexpr char kInvalidateAuthSession[] = "InvalidateAuthSession";
 inline constexpr char kExtendAuthSession[] = "ExtendAuthSession";
 inline constexpr char kCreatePersistentUser[] = "CreatePersistentUser";