Most likely someone forget to change those manufacturers thumbnail. I believe those are leftovers from FH5. There are quite a few leftovers like those on FH6 for manufacturers that aren't featured on FH6 yet.
Regarding playground games modes that got removed from FH6 i managed to find these :
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Collection journal icon for playground games
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Dialogue text transcript for Team Flag Rush
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Dialogue text transcript for Team King
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Dialogue text transcript for Survival
With these i think the game modes are already preplanned.
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There is also this line mentioning Wildlife Photo which is not available yet in the game.
There is also mention of "Yangwang" in part manufacturers string. In case you don't know, Yangwang is a Chinese hypercar manufacturers (part of BYD) with their only model so far is Yangwang U9. The car can also "Jump" and "Dance" as part of its party tricks.
