remove sv2 beta mention (#18921)

Author: patriciasantaana

src/content/docs/api-shield/reference/classic-schema-validation.mdx

@@ -14,7 +14,7 @@ Use the **API Shield** interface to configure [API Schema Validation](/api-shiel
 
 Before you can configure Schema Validation for an API, you must obtain an API Schema file matching our [specifications](/api-shield/security/schema-validation/#specifications).
 
-If you are in the Schema Validation 2.0 beta, you can make changes to your settings but you cannot add any new Classic Schema Validation schemas.
+If you are in the Schema Validation 2.0, you can make changes to your settings but you cannot add any new Classic Schema Validation schemas.
 
 :::note