I found this program called Snapheal some time ago. I tried the free version and it worked out very well, above expectations actually.
With an easy to use interface it deletes anything you markup without leaving a trace of it ever been there.
I found the basic version for $8 in AppStore. The $50 CT version merges with Photoshop, Lightroom, and some others. I have, however, found the CT version for $20 in a Facebook ad. Yes, I bought it too.
I find Snapheal pretty cool, it's ease of use, and the possibilities of simple photo editing.
Link
https://macphun.com/snapheal#_27
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