Remove Slack Acct Mgmt as an option (#613)

We no longer offer Slack Account Management as a Support package

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Author: enriquegh

docs/sla/index.mdx

@@ -125,8 +125,6 @@ Access to named senior support engineers who will have knowledge of your infrast
 
 >NOTE: This package includes access to Slack Support & Slack Account Management
 
-### Slack Support & Slack Account Management
+### Slack Support
 
 Slack Support provides access to creating tickets directly from Slack, allowing customers to resolve tickets directly from a familiar interface and allowing for greater collaboration between Support and customers.
-
-Slack Account Management allows customers direct access to their Account team, including their Technical Advisor (if applicable). It can help resolve any non-technical issues or questions that come up.