An old post I made shows you how to remove these permissions using APK Editor Studio. It’s a little complicated, and not recommended for particularly non-technical people.
This is why many developers say no-code and low-code will never become mainstream. But with fantastic services like Thunkable, we can get most of the way there!
Here’s the link to my tutorial: Why is my app requesting permissions for contacts, camera, etc?
APK Editor Studio (free) https://qwertycube.com/apk-editor-studio
(please let me know if you’d like a video tutorial on this subject.)