Remove mentions of slack account management now that no customer is o… (#856)

…n this

Author: enriquegh

docs/sla/index.mdx

@@ -33,8 +33,6 @@ The following policy applies to both our cloud-based (managed instance) and on-p
 
 <Callout type="note">Cody Free users are not eligible for email Support but can get assistance through our Community Discord.</Callout>
 
->NOTE: Slack Account Management Package not offered on new contracts after January 10, 2023
-
 ### Minimum Supported Version for Self-Hosted Instances
 
 We support the current major version of the Software and the immediately preceding major version (N minus 1). 
@@ -117,13 +115,13 @@ First response times remain the same according to our SLAs. However, Emergency a
 
 This service is provided for all GA products Sourcegraph offers, not for any [Experimental or Beta features](/admin/beta_and_experimental_features).
 
->NOTE: This package includes access to Slack Support & Slack Account Management
+>NOTE: This package includes access to Slack Support
 
 ### Dedicated Support
 
 Access to named senior support engineers who will have knowledge of your infrastructure and can help reduce the time needed to triage, diagnose, and resolve an issue in your instance.
 
->NOTE: This package includes access to Slack Support & Slack Account Management
+>NOTE: This package includes access to Slack Support
 
 ### Slack Support