Update instruction on login

Author: yujiyokoo

python/jupyter_notebook/CipherStash-Getting-Started.ipynb

@@ -49,19 +49,11 @@
    "source": [
     "### Log into the workspace\n",
     "\n",
-    "Check that you have `stash` command available in your PATH, and run the command below and follow the instructions.\n",
+    "Check that you have `stash` command available in your PATH, and run the command below in your shell (not here in this notebook) and follow the instructions.\n",
     "You will be either automatically be logged into your workspace, or be prompted to log into one of them.\n",
-    "Note the **Workspace ID** shown here."
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "4d87342c-7039-44da-991e-e0ee56221820",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "! stash login"
+    "Note the **Workspace ID** shown here.\n",
+    "\n",
+    "> stash login"
    ]
   },
   {