remove some extraneous print statements from IPython.parallel

closes  #4203

backport for 1.2

IPython/parallel/client/remotefunction.py

@@ -89,7 +89,6 b' def sync_view_results(f, self, *args, **kwargs):'
     view = self.view
     if view._in_sync_results:
         return f(self, *args, **kwargs)
-    print 'in sync results', f
     view._in_sync_results = True
     try:
         ret = f(self, *args, **kwargs)

IPython/parallel/tests/__init__.py

@@ -63,8 +63,7 b' def setup():'
     tic = time.time()
     while not os.path.exists(engine_json) or not os.path.exists(client_json):
         if cp.poll() is not None:
-            print cp.poll()
-            raise RuntimeError("The test controller failed to start.")
+            raise RuntimeError("The test controller exited with status %s" % cp.poll())
         elif time.time()-tic > 15:
             raise RuntimeError("Timeout waiting for the test controller to start.")
         time.sleep(0.1)

IPython/parallel/tests/test_client.py

@@ -172,7 +172,6 b' class TestClient(ClusterTestCase):'
         # give the monitor time to notice the message
         time.sleep(.25)
         ahr = self.client.get_result(ar.msg_ids[0])
-        print ar.get(), ahr.get(), ar._single_result, ahr._single_result
         self.assertTrue(isinstance(ahr, AsyncHubResult))
         self.assertEqual(ahr.get().pyout, ar.get().pyout)
         ar2 = self.client.get_result(ar.msg_ids[0])