Hey Alan,
a connector is to be able to separate the components, and I see that it would not have the space needed on your setup. And yes, I don’t like these connectors, I prefer industrial circular connectors that are crimped, not soldered, and have gold-plated contacts, from Phoenix 
In the case you omit the connector, you simply skip the connector column in this table and wire the internal Masso G3 pins directly to your WJ200 VFD pins: