Revert using LAN in vite config

frontend/vite.config.ts

@@ -66,9 +66,6 @@ if (process.env.VITE_ELECTRON) {
     );
 }
 
-const _lan = process.env.LAN_IP;
-const _backendProxy = _lan ? `http://${_lan}:8300/` : "http://127.0.0.1:8300/";
-
 export default defineConfig({
     plugins: plugins,
     resolve: {
@@ -84,17 +81,14 @@ export default defineConfig({
         strictPort: true,
         proxy: {
             "/api": {
-                target: _backendProxy,
+                target: "http://127.0.0.1:8300",
                 changeOrigin: true,
                 rewrite: (path) => path.replace(/^\/api/, ""),
                 ws: true,
                 proxyTimeout: 0,
             }
         },
-        allowedHosts: [
-            "beta.fromchat.ru",
-            ...(_lan ? [_lan] : []),
-        ]
+        allowedHosts: ["beta.fromchat.ru"]
     },
     appType: "spa",
     optimizeDeps: {