resultsdb: print IU message only when using default TUI

The message is being printed even woth different result formats (json,
tap, ...). This patch makes it to be printed only when using default
TUI.
Signed-off-by: NAmador Pahim <apahim@redhat.com>

optional_plugins/resultsdb/avocado_resultsdb/__init__.py

@@ -160,7 +160,8 @@ class ResultsdbResult(Result):
     description = 'Resultsdb result support'
 
     def render(self, result, job):
-        if getattr(job.args, 'resultsdb_logs', None) is not None:
+        if (getattr(job.args, 'resultsdb_logs', None) is not None and
+                getattr(job.args, 'stdout_claimed_by', None) is None):
             LOG_UI.info("JOB URL    : %s/%s" % (job.args.resultsdb_logs,
                                                 os.path.basename(job.logdir)))