fix: remove duplicate 'use client' and fix import ordering

Author: guoyangzhen

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/settings-modal/components/subscription/components/credit-balance/credit-balance.tsx

@@ -1,6 +1,5 @@
 'use client'
 import { generateId } from '../../lib/utils/uuid'
-'use client'
 
 import { useState } from 'react'
 import { createLogger } from '@sim/logger'