Update advanced-organization.mdx

Fix - remove ref to per or auth as advanced

Author: clairekinde11

src/content/docs/authenticate/custom-configurations/advanced-organization.mdx

@@ -19,7 +19,6 @@ Only businesses on the [Kinde Scale plan](https://kinde.com/pricing/) can enable
 
 When you enable advanced organizations features, you can access extended features for individual organizations. Customizations include:
 
-- Set up [authentication methods per org](/authenticate/manage-authentication/organization-auth-experience/)
 - Additional access control via [policies](/build/organizations/organization-access-policies/)
 - Select [default roles](/manage-users/roles-and-permissions/default-user-roles/#enable-default-roles-in-an-organization) for users who join an organization
 - Set [custom email sender details](/build/organizations/email-sender-organization/), so users in specific orgs receive OTP and other emails from the custom address (requires own SMTP)