chore: Remove fully rolled-out Web Analytics FFs

[rafaeelaudibert]

Trivial removal of Web Analytics FFs, these are all 100% enabled for a while

[rafaeelaudibert]

@robbie-c Take 2 on that PR of mine, that got way too many conflicts so I created a new one

[promptless]

✅ No documentation updates required.

[greptile-apps]

PR Summary

This PR removes fully rolled-out Web Analytics feature flags that have been 100% enabled for some time, simplifying the codebase by eliminating conditional logic.

• Removes six feature flags from lib/constants.tsx: WEB_VITALS, WEB_VITALS_TOOLBAR, PATH_CLEANING_AI_REGEX, WEB_ANALYTICS_TABLE_SORTING, WEB_ANALYTICS_DOMAIN_DROPDOWN, and ONBOARDING_AUTHORIZED_DOMAINS
• Simplifies Toolbar.scss by standardizing the toolbar width to 334px and removing conditional width classes for web vitals
• Removes conditional rendering in WebAnalyticsFilters.tsx to always show domain dropdown and device toggle components
• Updates ToolbarLaunch.tsx to permanently include Web Vitals in the features list without feature flag checks
• Removes feature flag wrappers from PathRegexModal.tsx to directly render AI regex helper functionality

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[github-actions]

Size Change: -522 B (-0.01%)

Total Size: 9.73 MB

ℹ️ View Unchanged

Filename	Size	Change
frontend/dist/toolbar.js	9.73 MB	-522 B (-0.01%)

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