exif

You can use the exiftool (available on MacOS and other Unixes) to remove GPS information etc from your photos.

$ brew install exiftool
$ exiftool IMG.HEIC
.... prints out a long list of exif information ...
$ exiftool -all= IMG.HEIC
... strips out exif info ..
$ exiftool IMG.HEIC # to confirm reduced exif infor

Original Image with embedded EXIF data

Altered Image with reduced EXIF data