Remove smol-toml override when markdownlint-cli2 updates past 0.22.0

[mobilemind]

Remove an override to added to address npm audit alert. The alert is a vulnerability is in smol-toml < 1.6.1.

markdownlint-cli2 0.22.0 has smol-toml as a dependency.

Check https://github.com/DavidAnson/markdownlint-cli2/tags