Remove Ken Thompson image due to license issues

Author: rh12503

README.md

@@ -63,7 +63,6 @@ For almost all cases, only changing the number of points and leaving all other o
 <img src="/assets/output/grad.png" height="400"/>
 <img src="/assets/output/plane.png" height="400"/> 
 <img src="/assets/output/sf.png" height="400"/>
-Image licensed under CC-BY-NC-SA. Original photograph creator: Peter Adams. Source: https://www.peteradamsphoto.com/ken-thompson-2/. 
 <img src="/assets/output/astro.png" height="400"/>
 
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