[PM-17530] delete obsolete registration component

[alec-livefront]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-17530?atlOrigin=eyJpIjoiMDBjYjYzM2FjZjBjNGY5ZGE3NWUyZDM4MTk1YTI3MGIiLCJwIjoiaiJ9

📔 Objective

Removes old registration components. Also includes changes from #12862

⏰ 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

[github-actions]

Checkmarx One – Scan Summary & Details – d392b497-9a88-486b-a952-bd9069e1ec80

Great job, no security vulnerabilities found in this Pull Request

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 35.28%. Comparing base (a038371) to head (e16ca5a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13181      +/-   ##
==========================================
+ Coverage   35.20%   35.28%   +0.08%     
==========================================
  Files        3127     3124       -3     
  Lines       92568    92358     -210     
  Branches    16857    16794      -63     
==========================================
  Hits        32590    32590              
+ Misses      57521    57311     -210     
  Partials     2457     2457              

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[Patrick-Pimentel-Bitwarden]

👍