Revert "Merge pull request #104 from primer/js-react"
Revert "Merge pull request #104 from primer/js-react"

This reverts commit c49673b33d76a776680926b487e8832b9f10ee12, reversing
changes made to c4a98a643435b53286ff24549647dcc40b4cefd8.

primer/github-vscode-theme