fix: remove redundant newline in README.md

Signed-off-by: Ayush Kumar <ayushshyamkumar888@gmail.com>
Co-authored-by: Vaibhav Agrawal <vaibhav.agrawal0096@gmail.com>

Author: roguepikachu

README.md

@@ -87,5 +87,4 @@ Security is a first priority thing for us at KubeVela. If you come across a rela
 
 ## Code of Conduct
 
-KubeVela adopts [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
-
+KubeVela adopts [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).