Update README.md

uncomment The Snapcrafters section of readme

Author: Daniel Llewellyn

README.md

@@ -57,7 +57,7 @@ upstream so GIMP can authoritatively publish future releases.
 
 If you have any questions, [post in the Snapcraft forum](https://forum.snapcraft.io).
 
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 ## The Snapcrafters
 
 | [![Daniel Llewellyn](http://gravatar.com/avatar/c77d9922c44ee0a34b8cabc4029b5082/?s=128)](https://github.com/diddledan/) |