Remove _XSI_NS class variables #274
Description
These adorn entity classes, and give namespace prefixes to use. But namespace prefixes are given in the big namespace tables (e.g. see [1]); there's no need for them on the entities.
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These adorn entity classes, and give namespace prefixes to use. But namespace prefixes are given in the big namespace tables (e.g. see [1]); there's no need for them on the entities.