Update controlling-cellpadding-and-cellspacing-in-css.md

[Stefan-Stojanovic]

replace 404 link with a working one

[enki-hq]

Insight

Insight Name	Error Message
controlling-cellpadding-and-cellspacing-in-css	Difference between Cellpadding & Cellspacing pointing to https://byjus.com/gate/difference-between-cell-padding-and-cell-spacing/ is broken because HTTP_403

Changelog

File Name	Error Message
Pull Request	Couldn't find a CHANGELOG entry for this pull request.

If you notice anything wrong with these rules contact [email protected].

[enki-hq]

Insight

Insight Name	Error Message
controlling-cellpadding-and-cellspacing-in-css	Difference between Cellpadding & Cellspacing pointing to https://byjus.com/gate/difference-between-cell-padding-and-cell-spacing/ is broken because HTTP_403

If you notice anything wrong with these rules contact [email protected].

[Stefan-Stojanovic]

The link works, we can merge this