One more fix

Author: shepazon

.doc_gen/metadata/cognito-identity-provider_metadata.yaml

@@ -1030,7 +1030,6 @@ cognito-identity-provider_Scenario_SignUpUserWithMfa:
             - description: The Swift code file.
               snippet_tags:
                 - swift.cognito-identity-provider.scenario
-  services:
   services:
     cognito-identity-provider: {ConfirmSignUp, ConfirmDevice, AssociateSoftwareToken, AdminGetUser, ListUsers, ResendConfirmationCode,
                                 RespondToAuthChallenge, AdminRespondToAuthChallenge, SignUp, InitiateAuth, AdminInitiateAuth, VerifySoftwareToken}