[PM-16257] Remove v1 premium component

[djsmith85]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-16257

📔 Objective

Remove v1 (pre-extension refresh) premium component

📸 Screenshots

Before	After

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.80%. Comparing base (ef70f7d) to head (99d657d).
Report is 18 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12580      +/-   ##
==========================================
+ Coverage   33.78%   33.80%   +0.01%     
==========================================
  Files        2912     2911       -1     
  Lines       90699    90668      -31     
  Branches    17152    17141      -11     
==========================================
+ Hits        30641    30648       +7     
+ Misses      57672    57634      -38     
  Partials     2386     2386              

☔ View full report in Codecov by Sentry.
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[github-actions]

Checkmarx One – Scan Summary & Details – 1d4f9df5-34a8-4921-b99f-1a88df6c0abd

Fixed Issues

Severity	Issue	Source File / Package
	Client_DOM_Open_Redirect	/apps/browser/src/billing/popup/settings/premium.component.ts: 29