add deletes

        except Exception as e:

            return "Error request deleting provider: ", e

    def delete_security_context(self, invoker_id, api_id, aef_id):

        try:

            url = 'https://{}/capif-security/v1/trustedInvokers/{}/delete'.format(os.getenv('CAPIF_HOSTNAME'), invoker_id)

            headers = {

                'Content-Type': 'application/json'

            }

            body = {  

                "apiInvokerId": invoker_id,  

                "aefId": aef_id,  

                "apiIds": [    

                     api_id 

                     ],  

                "cause": "UNEXPECTED_REASON"

            }

            response = requests.request("POST", url, headers=headers, body=body, cert=(

                            '/usr/src/app/backoffice_service/certs/backoffice_vault_cert.crt', '/usr/src/app/backoffice_service/certs/backoffice_vault_private_key.key'), verify='/usr/src/app/backoffice_service/certs/ca.crt')

            return jsonify(message="Security Context removed successfully",), 204

        except Exception as e:

            return "Error request deleting provider: ", e

    def delete_provider_service(self, api_id, apf_id):

        try:

            url = 'https://{}/published-apis/v1/{}/service-apis/{}'.format(os.getenv('CAPIF_HOSTNAME'), apf_id, api_id)

            headers = {

                'Content-Type': 'application/json'

            }

            response = requests.request("DELETE", url, headers=headers, cert=(

                            '/usr/src/app/backoffice_service/certs/backoffice_vault_cert.crt', '/usr/src/app/backoffice_service/certs/backoffice_vault_private_key.key'), verify='/usr/src/app/backoffice_service/certs/ca.crt')

            return jsonify(message="Security Context removed successfully",), 204

        except Exception as e:

            return "Error request deleting provider: ", e

    def delete_user(self, api_id):

        try:

            url = 'https://{}:8084/remove'.format(os.getenv('CAPIF_HOSTNAME'))

            headers = {

                'Content-Type': 'application/json'

            }

            body = {

                "username":"string",

                "password":"string"

            }

            response = requests.request("DELETE", url, headers=headers, body=body)

            return jsonify(message="User removed successfully",), 204

        except Exception as e:

            return "Error request deleting provider: ", e

    def delete_user(self, username):

        try: