Removed RBAC and AH

windows/security/threat-protection/microsoft-defender-atp/preview.md

@@ -46,10 +46,6 @@ The following features are included in the preview release:
 
 - [Threat & Vulnerability Management Report inaccuracy](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/tvm-security-recommendation#report-inaccuracy) <BR>Report a false positive when you see any vague, inaccurate, incomplete, or already remediated [security recommendation](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/tvm-security-recommendation#report-inaccuracy), [software inventory](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/tvm-software-inventory#report-inaccuracy), and [discovered vulnerabilities](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/tvm-weaknesses#report-inaccuracy).  
  
-- [Threat & Vulnerability Management Advanced Hunting Schemas](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/advanced-hunting-schema-reference) <BR>Use the Threat & Vulnerability Management tables in the Advanced hunting schema to query about software inventory, vulnerability knowledgebase, security configuration assessment, and security configuration knowledgebase. 
- 
- - [Threat & Vulnerability Management role-based access controls](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/user-roles#create-roles-and-assign-the-role-to-an-azure-active-directory-group) <BR>Use the new permissions to allow maximum flexibility to create SecOps-oriented roles, Threat & Vulnerability Management-oriented roles, or hybrid roles so only authorized users are accessing specific data to do their task. You can also achieve even further granularity by specifying whether a Threat & Vulnerability Management role can only view vulnerability-related data, or can create and manage remediation and exceptions.
-
 - [Threat & Vulnerability Management granular exploit details](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/tvm-weaknesses) <BR>See a comprehensive set of details on the vulnerabilities found in your machine to give you informed decision on your next steps. The threat insights icon now shows more granular details, such as if the exploit is a part of an exploit kit, connected to specific advanced persistent campaigns or activity groups for which, Threat Analytics report links are provided that you can read, has associated zero-day exploitation news, disclosures, or related security advisories.
 
 - [Machine health and compliance report](machine-reports.md)  The machine health and compliance report provides high-level information about the devices in your organization.