Deletes the named header from this object. It is not an error if there
is no header matching the passed name. If header is NULL, then all headers
are deleted from this JWT.
@param jwt Pointer to a JWT object.
@param header String containing the name of the header to delete. If this
is NULL, then all headers are deleted.
@return Returns 0 on success, valid errno otherwise.
Delete a header from this JWT object.
Deletes the named header from this object. It is not an error if there is no header matching the passed name. If header is NULL, then all headers are deleted from this JWT.
@param jwt Pointer to a JWT object. @param header String containing the name of the header to delete. If this is NULL, then all headers are deleted. @return Returns 0 on success, valid errno otherwise.