Removing redundant scopes field from authorization_servers

Removing redundant scopes field from authorization_servers

scopes in `authorization_servers` is not adding any value, but may cause confusion.

Added a statement indicating "Authorization_servers should satisfy all the scopes listed in `supported_scopes`"

Author: appsdesh

openid-sharedsignals-framework-1_0.md

@@ -546,6 +546,7 @@ authorization_servers
 
 > OPTIONAL. An array of supported authorization servers and the scopes they support. Each element of the array is a Authorization Server Descriptor JSON object defined in the section {{authz-server-descriptor}} below. If the `supported_scopes` member is present in the metadata, then the `authorization_servers` MUST also be present, and it MUST provide a server location for every supported scope. The list of servers MUST satisfy all the scopes listed in `supported_scope` section.
 
+
 TODO: consider adding a IANA Registry for metadata, similar to Section 7.1.1 of
 {{RFC8414}}. This would allow other specs to add to the metadata.