core(vulns): snyk snapshot will be updated by PRs

[aviadatsnyk]

Removing this script since it might be misleading, creating the impression the snapshot is updated by it, which is not the case.

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[aviadatsnyk]

I signed it!

[googlebot]

CLAs look good, thanks!

[patrickhulce]

Hey there @aviadatsnyk! The script is what downloads and updates the file to make PRs easier though, #5080 makes the output even cleaner. Is there an alternative, even easier approach you'd recommend? :)

[aviadatsnyk]

@patrickhulce I'm putting in place automation to open this PR on a weekly basis, with the latest snapshot, so PR creation won't need this script. We'll still enjoy the benefits of the prettier snapshot :D
Regardless, if you think this script is still needed, I'm obviously good with that, it just might be confusing for someone not familiar with the existence of the automation (which is totally on our side..)

[paulirish]

see #5239 (comment)