2.6 Do not display player in Tech Table, List of players not to show (1of 4)

[TheDog-GH]

Mapmakers sometimes use dummy players to achieve conditions and triggers like natural disasters/weather of just a special type of Neutral and as the true player cannot interact with them they should not be displayed, to reduce confusion.

This could be a list of Players.

Project Feature Cards
https://github.com/orgs/triplea-game/projects/9/views/1

EDIT: As this is 1 of 3 see #12636