remove_attributes

Description:

public void remove_attributes (string? attr_group, string attr_name)

Removes all the attributes with group name and attribute name equal to the passed in values.

If attr_group is null or an empty string, it removes all the attributes with passed in name irrespective of their group names.

this	vcard object
attr_group	group name of attributes to be removed
attr_name	name of the arributes to be removed