Fix odd logic around new server sessions

Double-check removed, streamlining logic.

src/java/org/jivesoftware/openfire/session/LocalOutgoingServerSession.java

@@ -118,7 +118,7 @@ public class LocalOutgoingServerSession extends LocalServerSession implements Ou
      * @param hostname the hostname of the remote server.
      * @return True if the domain was authenticated by the remote server.
      */
-    public static boolean authenticateDomain(String domain, String hostname) {
+    public static boolean authenticateDomain(final String domain, final String hostname) {
         if (hostname == null || hostname.length() == 0 || hostname.trim().indexOf(' ') > -1) {
             // Do nothing if the target hostname is empty, null or contains whitespaces
             return false;
@@ -158,9 +158,6 @@ public class LocalOutgoingServerSession extends LocalServerSession implements Ou
             }
             if (session == null) {
                 int port = RemoteServerManager.getPortForServer(hostname);
-                // No session was found to the remote server so make sure that only one is created
-                session = sessionManager.getOutgoingServerSession(hostname);
-                if (session == null) {
                 session = createOutgoingSession(domain, hostname, port);
                 if (session != null) {
                     // Add the validated domain as an authenticated domain
@@ -170,7 +167,6 @@ public class LocalOutgoingServerSession extends LocalServerSession implements Ou
                     // Notify the SessionManager that a new session has been created
                     sessionManager.outgoingServerSessionCreated((LocalOutgoingServerSession) session);
                     return true;
-                    }
                 } else {
                     Log.warn("Fail to connect to {} for {}", hostname, domain);
                     return false;