3.9.5.1.2.3 Processing Details
If the server response is a HTTP status code of 200 the proxy MUST remove from [Client State].RelyingPartyTrusts the object with RelyingPartyTrust.Identifier with the same string value as {Identifier}.
If the server response is a HTTP status code of 200 the proxy MUST remove from [Client State].RelyingPartyTrusts the object with RelyingPartyTrust.Identifier with the same string value as {Identifier}.