* Removes code behind new_admin_members feature flag
* Removes components/admin/users/tools/* and the tools components
* Removes unused /admin/users/tools/* controllers, comments, and routes
* Removes New Member View-related E2E and RSpec specs
* Remove admin_users_tools.rb frin spec/support/shared_examples/
* Removes remaining component-related specs
* Removes the view_component gem and test helper
* Resolve merge conflicts in Admin::UsersController
* Removes the view_component gem, as it is no longer used
* Removes view_component from Gemfile.lock