- Removed obsolete C++-side `addPlayer`, introduced in 4fed9b8242, moved
out of Atlas in 1c0536bf08, unused after 9ee44bd9b8.
- Get the player settings from a local function (avoids passing
arguments).
- Removed setting the standard diplomacy (done in cmpPlayerManager since
132020f88e).
- Create entity when adding a player instead of creating it and
instructing the playermanager to add it.
- Changed/Removed some comments.
Differential revision: https://code.wildfiregames.com/D4482
Comments by: @Stan
This was SVN commit r26404.