Hi,
I don't believe you can remove/delete Microsoft Edge completely as it is builtin with the operating system, but you should be able to disabled it.
You can have a look at the similar thread here:
https://answers.microsoft.com/en-us/edge/forum/all/uninstall-microsoft-edge/3040dac6-cc0b-4dc3-9280-186856089ca7?auth=1
Best regards,
Leon