chore: sync content to repo (#10007)

Co-authored-by: nilbuild <4921183+nilbuild@users.noreply.github.com>

Author: github-actions[bot]

src/data/roadmaps/leetcode/content/n-queens@fBtsnKP5n3WBjMycwIfir.md

@@ -5,5 +5,4 @@ Place n queens on an n by n chessboard so that no two queens attack each other,
 Visit the following resources to learn more:
 
 - [@article@N-Queens](https://leetcode.com/problems/n-queens/)
-- [@video@N-Queens Problem | using Backtracking | Leetcode Hard](https://www.youtube.com/watch?v=BdSJnIdR-4s)
 - [@video@The N Queens Problem using Backtracking/Recursion](https://www.youtube.com/watch?v=wGbuCyNpxIg)