Use the script in utils (#5224)

examples/text-classification/README.md

@@ -52,9 +52,12 @@ Some of these results are significantly different from the ones reported on the
 of GLUE benchmark on the website. For QQP and WNLI, please refer to [FAQ #12](https://gluebenchmark.com/faq) on the webite.
 
 Before running any one of these GLUE tasks you should download the
-[GLUE data](https://gluebenchmark.com/tasks) by running
-[this script](https://gist.github.com/W4ngatang/60c2bdb54d156a41194446737ce03e2e)
-and unpack it to some directory `$GLUE_DIR`.
+[GLUE data](https://gluebenchmark.com/tasks) by running the following lines at the root of the repo
+```
+python utils/download_glue_data.py --data_dir /path/to/glue --tasks all
+```
+
+after replacing *path/to/glue* with a value that you like. Then you can run
 
 ```bash
 export GLUE_DIR=/path/to/glue