Boost: Delete static minification option on atomic

[dilirity]

Proposed changes:

• On plugin update, delete static notification option, to prevent the "Serve static concatenate notice" from showing.

Other information:

• Have you written new tests for your changes, if applicable?
• Have you checked the E2E test CI results, and verified that your changes do not break them?
• Have you tested your changes on WordPress.com, if applicable (if so, you'll see a generated comment below with a script to run)?

Jetpack product discussion

p1741256084040749/1741178339.776799-slack-C016BBAFHHS

Does this pull request change what data or activity we track or use?

no

Testing instructions:

You need an atomic site running 3.9.0 with Concatenate JS or CSS running.

• Update to this version and make sure you don't see this notice:

[github-actions]

Thank you for your PR!

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Boost plugin:

No scheduled milestone found for this plugin.

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[jp-launch-control]

Code Coverage Summary

Coverage changed in 2 files.

File	Coverage	Δ%	Δ Uncovered
projects/plugins/boost/app/class-jetpack-boost.php	0/91 (0.00%)	0.00%	3 ❤️‍🩹
projects/plugins/boost/app/lib/minify/functions-service.php	13/173 (7.51%)	-0.04%	1 ❤️‍🩹

Full summary · PHP report · JS report

[dilirity]

Did a self-review and tested on Atomic. Notice is no longer showing up as the option is no longer being set.