Delete hide waf config

Author: Chenglong Liu

src/Cdn/Cdn.Autorest/README.md

@@ -146,12 +146,6 @@ directive:
   - where:
       subject: ProfileSsoUri
     hide: true
-  - where:
-      subject: Policy
-    hide: true
-  - where:
-      subject: ManagedRuleSet
-    hide: true
   - where:
       subject: SecretValidate
     hide: true