That indeed is a good point.
Removing the static-network line still seems like a good idea.
You could also just look at the logs, after all you can connect to the pi via ssh/putty right?
sudo journalctl -u piaware -n50 --no-pager
this command should give you the relevant log.
Here is how to connect via ssh/putty: For Beginners - How-to SSH to RPi - Setup Putty in Windows