Revert --save-txt to default False (#10213)

* Revert `--save-txt` to default False

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update tutorial.ipynb

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

classify/tutorial.ipynb

@@ -118,8 +118,7 @@
             "image 1/2 /content/yolov5/data/images/bus.jpg: 224x224 minibus 0.39, police van 0.24, amphibious vehicle 0.05, recreational vehicle 0.04, trolleybus 0.03, 3.9ms\n",
             "image 2/2 /content/yolov5/data/images/zidane.jpg: 224x224 suit 0.38, bow tie 0.19, bridegroom 0.18, rugby ball 0.04, stage 0.02, 4.1ms\n",
             "Speed: 0.3ms pre-process, 4.0ms inference, 1.5ms NMS per image at shape (1, 3, 224, 224)\n",
-            "Results saved to \u001b[1mruns/predict-cls/exp\u001b[0m\n",
-            "2 labels saved to runs/predict-cls/exp/labels\n"
+            "Results saved to \u001b[1mruns/predict-cls/exp\u001b[0m\n"
           ]
         }
       ],
@@ -1475,4 +1474,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 0
-}
+}