docs: remove contact information from feature health beta (#5873)

Author: matthewelwell

docs/docs/advanced-use/feature-health.md

@@ -4,7 +4,7 @@ title: Feature Health
 
 :::info
 
-Feature Health is in Beta, please email support@flagsmith.com or chat with us <a href="#" class="open-chat" data-crisp-chat-message="Hello, I'm interested in joining the feature health beta.">here</a> if you'd like to join. 
+Feature Health is in Beta.  
 
 :::