This reverts commit 466ece4588, which has
the message:
"Revert "Merge pull request #7599 from MetaMask/Version-v7.7.0" (#7648)"
This effectively re-introduces the changes from the "LoginPerSite" PR.
* Use @metamask/eslint-config@1.1.0
* Use eslint-plugin-mocha@6.2.2
* Mark root ESLint config as root
* Update Mocha ESLint rules with shared ESLint config