chore(server): remove prerelease URL from CORS

Author: coopbri

src/server.ts

@@ -81,10 +81,7 @@ const app = new Hono();
 app.use(
   // enable CORS
   cors({
-    origin: isProdEnv
-      ? // TODO remove prerelease URL once ready
-        [appConfig.url, "https://backfeed-prerelease.omni.dev"]
-      : "https://localhost:3000",
+    origin: isProdEnv ? appConfig.url : "https://localhost:3000",
     credentials: true,
     allowMethods: ["GET", "POST"],
   }),