You can now delete these native Apple Watch apps without it affecting the iPhone version - Wareable
Briefly

Some Apple Watch apps can now be deleted directly from the smartwatch without affecting the iPhone version, with more native options now also able to be removed.That's a change coming to all Apple smartwatches through the company's latest watchOS 9.4 software update.It ensures users can finally remove native Apple Watch apps like Wallet or Maps - and do so without the iPhone app also being deleted.
Read at Wareable
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