fix: remove redundant VITE_API_BASE fallback, use wizard config as sole source of truth for HF_BACKEND_BASE_URL

src/services/api.ts

@@ -1,7 +1,7 @@
 import axios from 'axios'
 
 const getApiBase = () => {
-  return localStorage.getItem('HF_BACKEND_BASE_URL') || import.meta.env.VITE_API_BASE || 'http://127.0.0.1:8000'
+  return localStorage.getItem('HF_BACKEND_BASE_URL')
 }
 
 const api = axios.create({