Remove streamlineOnboarding feature flag

[sejas]

Related issues

• Fixes STU-1067

Proposed Changes

• Remove streamlineOnboarding feature flag
• It also removes the Publish and Pull site buttons in favor of always displaying the connect site button.

Testing Instructions

• Run npm start
• Create a site
• Go to the sync tab
• Observe that the connect a site button is visible
• Also observe that the Publish site button next to the start button is present

Pre-merge Checklist

• Have you checked for TypeScript, React or other console errors?

[github-actions]

📊 Performance Test Results

Comparing ef9f8a0 vs trunk

site-editor

Metric	trunk	ef9f8a0	Diff	Change
load	7289.00 ms	10620.00 ms	+3331.00 ms	🔴 45.7%

site-startup

Metric	trunk	ef9f8a0	Diff	Change
siteCreation	13206.00 ms	13171.00 ms	-35.00 ms	🟢 -0.3%
siteStartup	5973.00 ms	5922.00 ms	-51.00 ms	🟢 -0.9%

---

Results are median values from multiple test runs.

Legend: 🟢 Improvement (faster) | 🔴 Regression (slower) | ⚪ No change

[katinthehatsite]

Looks good to me although I see some unit tests are failing so might need to be fixed 👍

[epeicher]

Thanks @sejas, I have tested it, and it works as expected. I don't see the feature flag and the buttons anymore. Also, the connect site button works as expected. LGTM!

Connected site	Non-connected site