Drop extra IdP examples from SSO overview

Keep only the major identity providers (Google, Microsoft Entra ID,
Okta) and remove the trailing list of additional examples.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018CQ4CgW3zUqwTiBrZih8V3

Author: claude

fern/security-and-privacy/sso.mdx

@@ -12,7 +12,7 @@ SSO is an **enterprise-only** feature. To enable it, talk to the [Vapi sales tea
 
 With SSO, your team signs in to Vapi through your existing identity provider (IdP) instead of separate Vapi credentials, giving IT centralized control over access.
 
-Vapi works with **any IdP** that supports **SAML 2.0** or **OpenID Connect (OIDC)**. Common providers include **Google Workspace**, **Microsoft Entra ID** (formerly Azure AD), and **Okta**, as well as others like OneLogin, Ping Identity, JumpCloud, and Auth0.
+Vapi works with **any IdP** that supports **SAML 2.0** or **OpenID Connect (OIDC)**, including **Google Workspace**, **Microsoft Entra ID** (formerly Azure AD), and **Okta**.
 
 ## Setup