remove duplicate snippet

Author: mydea

platform-includes/user-feedback/install/javascript.mdx

@@ -1,13 +1,4 @@
-The User Feedback integration is **already included** in your NPM packages. You can enable it by adding it to your `integrations` in your `init` config:
-
-```javascript {tabTitle: NPM}
-import * as Sentry from "@sentry/browser";
-
-Sentry.init({
-  dsn: "___DSN___",
-  integrations: [Sentry.feedbackIntegration()],
-});
-```
+The User Feedback integration is **already included** in your NPM packages. You don't need to install anything else to use it.
 
 If you're using the Loader Script, you can lazy load the User Feedback integration like this: