removing ./

Author: ScottGibb

README.md

@@ -1361,7 +1361,7 @@ These materials may be outdated and reflect earlier practices, but they might st
 
 This list is licensed under
 
-- CC0 1.0 Universal License ([LICENSE-CC0](./LICENSE-CC0) or
+- CC0 1.0 Universal License ([LICENSE-CC0](LICENSE-CC0) or
   https://creativecommons.org/publicdomain/zero/1.0/legalcode)
 
 ## Code of Conduct