removes console log and fixes typo

Author: housseindjirdeh

docusaurus/docs/measuring-performance.md

@@ -59,7 +59,7 @@ reportWebVitals(sendToAnalytics);
 >   });
 > }
 > 
-> reportWebVitals(sendToAnalytics);\
+> reportWebVitals(sendToAnalytics);
 > ```
 >
 > Read more about sending results to Google Analytics [here](https://github.com/GoogleChrome/web-vitals#send-the-results-to-google-analytics).

packages/cra-template/template/src/index.js

@@ -20,4 +20,4 @@ serviceWorker.unregister();
 // If you want to start measuring performance in your app, pass a function
 // to log results (for example: reportWebVitals(console.log))
 // or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
-reportWebVitals(console.log);
+reportWebVitals();