Update README.md

Author: 64json

README.md

@@ -41,7 +41,3 @@ int main() {
 ```
 
 Check out the [API reference](https://github.com/algorithm-visualizer/algorithm-visualizer/wiki) for more information.
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-## Contributing
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-Check out the [contributing guidelines](https://github.com/algorithm-visualizer/tracers.cpp/blob/master/CONTRIBUTING.md).