removed SetServer(); imap msg incoming server will be extract out from the url spec

mailnews/imap/public/nsIImapUrl.h

@@ -125,7 +125,6 @@ public:
 	// Getters and Setters for the imap specific event sinks to bind to to your url
 	///////////////////////////////////////////////////////////////////////////////
 
-	NS_IMETHOD SetServer(nsIMsgIncomingServer * aIncomingServer) = 0;
 	NS_IMETHOD GetServer(nsIMsgIncomingServer ** aIncomingServer) = 0;
 
 	NS_IMETHOD GetImapLog(nsIImapLog ** aImapLog) = 0;