[FEAT] Remove users_can_delete_workspaces feature (#1742)

frontend/src/locales/en/common.js

frontend/src/locales/es/common.js

frontend/src/locales/fr/common.js

frontend/src/locales/ru/common.js

frontend/src/locales/zh/common.js

frontend/src/models/system.js

frontend/src/pages/Admin/System/index.jsx

...spaceSettings/GeneralAppearance/DeleteWorkspace/index.jsx

server/endpoints/admin.js

server/endpoints/api/admin/index.js

server/endpoints/system.js

server/models/systemSettings.js

server/prisma/seed.js

server/swagger/openapi.json