How to add Google map

I am using Steakhouse Joomla
it shows "For development purpose only" in Google Map
how to remove that?
Screenshots :
1. https://prnt.sc/wm9of7
2. https://prnt.sc/wm9qbz

Thanks and Regards

It due to the new policy from Google to their maps, you can make a search, there are so many discussions about this change: https://stackoverflow.com/questions/50977913/google-maps-shows-for-development-purposes-only