remove dependency (#1536)

### What problem does this PR solve?

#702 
### Type of change
- [x] Refactoring

deepdoc/vision/ocr.py

 import onnxruntime as ort
 
 from .postprocess import build_post_process
-from rag.settings import cron_logger
 
 
 def transform(data, ops=None):
             end = time.time()
             time_dict['all'] = end - start
             return None, None, time_dict
-        else:
-            cron_logger.debug("dt_boxes num : {}, elapsed : {}".format(
-                len(dt_boxes), elapse))
 
         return zip(self.sorted_boxes(dt_boxes), [
                    ("", 0) for _ in range(len(dt_boxes))])
             end = time.time()
             time_dict['all'] = end - start
             return None, None, time_dict
-        else:
-            cron_logger.debug("dt_boxes num : {}, elapsed : {}".format(
-                len(dt_boxes), elapse))
+
         img_crop_list = []
 
         dt_boxes = self.sorted_boxes(dt_boxes)
         rec_res, elapse = self.text_recognizer(img_crop_list)
 
         time_dict['rec'] = elapse
-        cron_logger.debug("rec_res num  : {}, elapsed : {}".format(
-            len(rec_res), elapse))
 
         filter_boxes, filter_rec_res = [], []
         for box, rec_result in zip(dt_boxes, rec_res):

deepdoc/vision/recognizer.py

 
 from api.utils.file_utils import get_project_base_directory
 from .operators import *
-from rag.settings import cron_logger
 
 
 class Recognizer(object):
                 if score < thr:
                     continue
                 if clsid >= len(self.label_list):
-                    cron_logger.warning(f"bad category id")
                     continue
                 bb.append({
                     "type": self.label_list[clsid].lower(),