Removed duplicate entry for 'Number of peers' in metrics list in FAQ (#476)

Author: ShadowArcanist

src/pages/about-netbird/faq.mdx

@@ -75,7 +75,6 @@ We are collecting the following metrics:
 * Number of accounts
 * Number of users
 * Number of peers
-* Number of peers 
 * Number of active peers in the last 24 hours
 * Number of peers per operating system
 * Number of setup keys usage