Remove language switcher

[SaintPatrck]

🎟️ Tracking

Internal change.

📔 Objective

Remove the language selector from Settings since we do not currently have translations for other languages.

📸 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 – 51c66d37-18e0-4bc4-9476-0b9051da177c

No New Or Fixed Issues Found

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.87%. Comparing base (e737f32) to head (83306f4).

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #121   +/-   ##
=====================================
  Coverage   0.86%   0.87%           
=====================================
  Files         84      84           
  Lines       4380    4344   -36     
  Branches     706     700    -6     
=====================================
  Hits          38      38           
+ Misses      4338    4302   -36     
  Partials       4       4           

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