Remove e18e stats

[AlexanderKaran]

Now e18e-stats are working, moved them into dev stats files rather than having their own. This way, when we start versioning, they will get versioned.

Checklist

• If updating UI/UX components ensure you have added screenshots or a gif or video of the changes to the PR description
• If this is a dependabot PR that bumps a metaframework version, ensure that all package versions in the package match the versions installed by the metaframework version being bumped
• If this is a dependabot PR that bumps a metaframework version in a starter-* package, ensure that the deps, and file content matches the output of the metaframeworks recommended starter/default project