fix: remove unused system-test project

[ZachJW34]

User facing changelog

na

Additional details

The project I removed is unused and does not contain a yarn.lock, causing yarn workspace @tooling/system-tests projects:yarn:install to fail locally. I believe this is being masked by the circleci cache, but it is causing my PR against master to fail.

Steps to test

Run yarn workspace @tooling/system-tests projects:yarn:install locally. Without the changes from my PR, this will fail

How has the user experience changed?

na

PR Tasks

• [na] Have tests been added/updated?
• [na] Has the original issue (or this PR, if no issue exists) been tagged with a release in ZenHub? (user-facing changes only)
• [na] Has a PR for user-facing changes been opened in cypress-documentation?
• [na] Have API changes been updated in the type definitions?

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[flotwig]

How did this even make it to develop, I wonder? Maybe we need a step outside of the cache step that validates projects with pkg.json also have a lockfile

[ZachJW34]

@flotwig yeah an extra step makes sense. This PR introduced it, not sure why their was a cache hit but not sure exactly how the caching works.

[ZachJW34]

@flotwig created a followup issue #22290

[cypress]

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Test summary

4876 • 0 • 59 • 0 • 0

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Run details

Project	cypress
Status	Passed
Commit	b7868b7
Started	Jun 13, 2022 4:50 PM
Ended	Jun 13, 2022 5:05 PM
Duration	15:12 💡
OS	Linux Debian - 10.11
Browser	Electron 100

View run in Cypress Dashboard ➡️

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