Those are the only configurable pins. The rest are required per the espressif docs
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Thank you for sharing what you did find out. But:
Obviously the modified Waveshare schematic does not match with the modification on the photo: If you remove one 33R resistor and move another one to a different place, only one resistor can be missing in the schematic. But in yours, both R11 and R12 are missing. So, what function has the moved resisitor, and where is his place in the modified schematic?