chore(website): revert "chore(website): fix TSLint.md link casing in …

…PACKAGES.md" (#6001)

Revert "chore(website): fix TSLint.md link casing in PACKAGES.md (#5976)"

This reverts commit 88d0316.

docs/development/architecture/PACKAGES.md

@@ -66,7 +66,7 @@ Any custom rules you write generally will be as well.
 [`@typescript-eslint/eslint-plugin-tslint`] is a separate ESLint plugin that allows running TSLint rules within ESLint to help you migrate from TSLint to ESLint.
 
 :::caution
-**TSLint is deprecated.** It is in your best interest to migrate off it. See [Linting > Troubleshooting & FAQs > What About TSLint?](../../linting/troubleshooting/TSLint.md).
+**TSLint is deprecated.** It is in your best interest to migrate off it. See [Linting > Troubleshooting & FAQs > What About TSLint?](../../linting/troubleshooting/TSLINT.md).
 :::
 
 [`@typescript-eslint/eslint-plugin-tslint`]: https://github.com/typescript-eslint/typescript-eslint/tree/main/packages/eslint-plugin-tslint