Revert "boards: thingy53_nrf5340: Enable uart0 on network core"

This reverts commit a6a7a0d888e9dffa0c3d1a7a22681a1601c53db7.
Both application and network core define the same pins for uart0.
The pins should not be used simultaneously by both cores.

Signed-off-by: Marek Pieta <Marek.Pieta@nordicsemi.no>
2 files changed