[PM-17592]Remove feature flag Disable free families sponsorship

[cyprain-okeke]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-17592

📔 Objective

Remove feature flag Disable free families sponsorship

📸 Screenshots

⏰ 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 – 3791ac61-760d-48b3-85aa-e0fc8e1ada4a

Great job, no security vulnerabilities found in this Pull Request

[codecov]

Codecov Report

Attention: Patch coverage is 7.14286% with 13 lines in your changes missing coverage. Please review.

Project coverage is 35.30%. Comparing base (582beaf) to head (b779f36).
Report is 76 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...p/billing/settings/sponsored-families.component.ts	0.00%	8 Missing ⚠️
...p/billing/settings/sponsoring-org-row.component.ts	0.00%	4 Missing ⚠️
...p/billing/services/free-families-policy.service.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13102      +/-   ##
==========================================
- Coverage   35.30%   35.30%   -0.01%     
==========================================
  Files        2997     2997              
  Lines       90882    90864      -18     
  Branches    16969    16964       -5     
==========================================
- Hits        32085    32075      -10     
+ Misses      56310    56302       -8     
  Partials     2487     2487              

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