[PM-16432] Remove v1 account security settings

[djsmith85]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-16432

📔 Objective

• Remove v1 Account security settings
• Remove conditional routing based on extensionRefresh feature flag
• Clean up app.module

📸 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

[github-actions]

Checkmarx One – Scan Summary & Details – e0275cce-6562-4e2b-98c6-057cfea5e300

No New Or Fixed Issues Found

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 33.85%. Comparing base (ef70f7d) to head (3e866a8).

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12578      +/-   ##
==========================================
+ Coverage   33.78%   33.85%   +0.06%     
==========================================
  Files        2912     2911       -1     
  Lines       90699    90517     -182     
  Branches    17152    17109      -43     
==========================================
  Hits        30641    30641              
+ Misses      57672    57490     -182     
  Partials     2386     2386              

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[quexten]

Since KM owns most features controlled by this component I'll also add a review; LGTM, nice work!