Can you please share the Image ID that you licensed accidentally?
I apologize as there is no option to unlicense an image.
Please confirm the image# and we can help you.
The image number is #97064883
Thanks for the update.
Since we cannot remove an image accidentally licensed, we have given you an extra credit that you can utilize to search and licence an image as per your like and need.
You can verify this by signing to Stock.adobe.com and see the Available License count on top right hand side.
Hope this helps.