fix ai concepts page (#8104)

Author: dbanksdesign

src/pages/[platform]/ai/concepts/index.mdx

@@ -5,7 +5,7 @@ export const meta = {
   title: "Concepts",
   description:
     "Learn about what Amplify AI provisions and get an overview about generative AI concepts and terminology.",
-  route: '/[platform]/ai-kit/overview',
+  route: '/[platform]/ai/concepts',
   platforms: [
     "javascript",
     "react-native",