[PM-10323] Remove user verification from organization user deletion methods

[r-tome]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-10323

📔 Objective

The organization user deletion endpoints were initially designed with user verification in mind. However, after discussing with the Product team, we concluded that verification is not necessary.

⏰ 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 42.55%. Comparing base (96862b9) to head (9fd8726).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4965      +/-   ##
==========================================
- Coverage   42.56%   42.55%   -0.01%     
==========================================
  Files        1389     1388       -1     
  Lines       64726    64717       -9     
  Branches     5940     5938       -2     
==========================================
- Hits        27548    27539       -9     
  Misses      35959    35959              
  Partials     1219     1219              

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