Deleted unused exception handling

Author: jvazquez-r7

modules/exploits/multi/misc/java_rmi_server.rb

@@ -152,13 +152,7 @@ def primer
       arguments: build_dgc_clean_args(new_url)
     )
 
-    begin
-      # There should be a session...
-      return_value = recv_return
-    rescue Rex::StreamClosedError
-      disconnect
-      return
-    end
+    return_value = recv_return
 
     if return_value.nil? && !session_created?
       fail_with(Failure::Unknown,  'RMI Call failed')