Dual-boot macbook air 2013 Kali & Mojave deleted kali now unbootable
Since you can boot to internet recovery - what happens when you select Utilities and erase the entire disk?
If you don’t see the disk - there is a side article from this link to follow:

https://support.apple.com/en-us/HT208496

Or you could run diskutil list from the terminal utility from Internet Recovery and post that so we could understand the exact state of your disk. I think this should get sorted somewhat quickly since you just want to wipe and reinstall the easy OS as a next step.