Sometimes you install an app on your phone and it doesn't work. Sometimes your storage is full and you have to clear it up. It's possible that one of your favorite apps just got a PWA equivalent and you don't want it in your life.
Any ChromeOS user should know how to uninstall apps from a Chromebooks. It is simple. It is not as painful as it is on Windows.
There is a way to uninstall apps from a Chromebooks.
If you uninstall the app, you can go back to the store and re- install it.