[cherry-pick] revert det tqdm eval (#5620)

* revert det tqdm eval, test=document_fix

* revert det tqdm eval, test=document_fix

ppdet/engine/callbacks.py

@@ -141,6 +141,10 @@ class LogPrinter(Callback):
                         dtime=str(data_time),
                         ips=ips)
                     logger.info(fmt)
+            if mode == 'eval':
+                step_id = status['step_id']
+                if step_id % 100 == 0:
+                    logger.info("Eval iter: {}".format(step_id))
 
     def on_epoch_end(self, status):
         if dist.get_world_size() < 2 or dist.get_rank() == 0:

ppdet/engine/trainer.py

@@ -501,7 +501,7 @@ class Trainer(object):
             flops_loader = create('{}Reader'.format(self.mode.capitalize()))(
                 self.dataset, self.cfg.worker_num, self._eval_batch_sampler)
             self._flops(flops_loader)
-        for step_id, data in enumerate(tqdm(loader)):
+        for step_id, data in enumerate(loader):
             self.status['step_id'] = step_id
             self._compose_callback.on_step_begin(self.status)
             # forward