Update multiple-return-values documentation

Removed a resource link and retained another.

Author: nilbuild

src/data/roadmaps/golang/content/multiple-return-values@ai2s1bwiTcPzrXQTxFDwV.md

@@ -4,5 +4,4 @@ Go functions can return multiple values, commonly used for returning result and
 
 Visit the following resources to learn more:
 
-- [@article@Multiple Return Values in Go](https://engineerpalsu.medium.com/multiple-return-values-in-go-7aa5511d3050)
-- [@article@How to manage Go function multiple returns](https://labex.io/tutorials/go-how-to-manage-go-function-multiple-returns-419825)
+- [@article@How to manage Go function multiple returns](https://labex.io/tutorials/go-how-to-manage-go-function-multiple-returns-419825)