Change default value of hide-conf argument to false (#2925)

detect.py

@@ -172,7 +172,7 @@ if __name__ == '__main__':
     parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment')
     parser.add_argument('--line-thickness', default=3, type=int, help='bounding box thickness (pixels)')
     parser.add_argument('--hide-labels', default=False, action='store_true', help='hide labels')
-    parser.add_argument('--hide-conf', default=True, action='store_true', help='hide confidences')
+    parser.add_argument('--hide-conf', default=False, action='store_true', help='hide confidences')
     opt = parser.parse_args()
     print(opt)
     check_requirements(exclude=('pycocotools', 'thop'))