Update resource links and noindex on AI pages

src/data/roadmaps/cpp/content/function-overloading@sgfqb22sdN4VRJYkhAVaf.md

@@ -5,5 +5,4 @@ Function overloading in C++ allows multiple functions to share the same name, pr
 Visit the following resources to learn more:
 
 - [@official@Function Overloading - Microsoft Learn](https://learn.microsoft.com/en-us/cpp/cpp/function-overloading)
-- [@article@C++ Function Overloading - W3Schools](https://www.w3schools.com/cpp/cpp_function_overloading.asp)
 

src/data/roadmaps/cpp/content/what-is-c@x_28LiDVshqWns_aIBsdx.md

@@ -48,6 +48,5 @@ In the above program, we define a simple function `add` and a class `Calculator`
 Learn more from the following resources:
 
 - [@video@C++ Tutorial for Beginners - Full Course](https://youtu.be/vLnPwxZdW4Y)
-- [@article@w3schools C++ tutorial](https://www.w3schools.com/cpp/)
 - [@article@Learn C++](https://www.learncpp.com/)
 - [@feed@Explore top posts about C++](https://app.daily.dev/tags/c++?ref=roadmapsh)