Make vercel config simple

Author: scinorandex

now.json

@@ -8,13 +8,8 @@
     ],
     "routes": [
         {
-            "headers": {
-                "Access-Control-Allow-Origin": "*",
-                "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
-                "Access-Control-Allow-Headers": "X-Requested-With, Content-Type, Accept"
-            },
             "src": "/(.*)",
-            "dest": "src/api.ts"
+            "dest": "src/"
         }
     ],
     "env": {