a2a-source-edit: remove frontend/vite.config.js

frontend/vite.config.js

@@ -1,17 +0,0 @@
-import react from "@vitejs/plugin-react";
-import { defineConfig } from "vite";
-
-const agent = process.env.A2A_DEV_AGENT_URL || "http://127.0.0.1:8000";
-
-export default defineConfig({
-  base: "./",
-  plugins: [react()],
-  server: {
-    proxy: {
-      "/config.json": agent,
-      "/a2a-client.js": agent,
-      "/_a2a": agent,
-      "/.well-known": agent,
-    },
-  },
-});