Fix typo (#2010)

* Fix typo

这个地方多了一个 (

* fix(typo): excessive (

modules/image/object_detection/faster_rcnn_resnet50_coco2017/README.md

@@ -59,7 +59,7 @@
     object_detector = hub.Module(name="faster_rcnn_resnet50_coco2017")
     result = object_detector.object_detection(images=[cv2.imread('/PATH/TO/IMAGE')])
     # or
-    # result = object_detector.object_detection((paths=['/PATH/TO/IMAGE'])
+    # result = object_detector.object_detection(paths=['/PATH/TO/IMAGE'])
     ```
 
 - ### 3、API

modules/image/object_detection/faster_rcnn_resnet50_coco2017/README_en.md

@@ -60,7 +60,7 @@
     object_detector = hub.Module(name="faster_rcnn_resnet50_coco2017")
     result = object_detector.object_detection(images=[cv2.imread('/PATH/TO/IMAGE')])
     # or
-    # result = object_detector.object_detection((paths=['/PATH/TO/IMAGE'])
+    # result = object_detector.object_detection(paths=['/PATH/TO/IMAGE'])
     ```
 
 - ### 3、API