Delete user's signing method

📘
The PIN signing method cannot be deleted. Only the EMERGENCY_CODE and BIOMETRICS can be deleted, if the PIN signing method exists.

DELETE /api/users/{userId}/signing-methods/{signingMethodId}

Parameter	Param Type	Value	Description	Example Value
`Signing-Method`	Header	`id:value`	`id`: A valid, existing signing method ID (NOT the one you want to delete) `value`: This is the value of the signing method	`756ae7a7-3713-43ee-9936-0dff50306488:123456`

Parameter	Param Type	Description	Data Type	Mandatory
`{userId}`	Path	The ID of the user for whom to update the signing method for	String	✅
`{signingMethodId}`	Path	This is the ID of the signing method you want to delete	String	✅

DELETE /api/users/5f23aff6-6786-4160-b5cb-8f65c79eec17/signing-methods/43f93a7c-1d24-429a-876e-791eccbd5214

👍
The signing method was deleted successfully.

{
    "success": true
}