Remove hand written SQL. We use inventory API now

new_order_prediction_tutorial.ipynb

@@ -71,26 +71,6 @@
     "There should be 101 orders, the original and 100 clones. You can add more if you want to add some randomness to the cosine generation. "
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "# Extract order data from database\n",
-    "\n",
-    "In order to create a time series of orders we must create the report of the past orders to be used by the method. So we need to create a new Z SQL Method. You must go to the 'custom' folder in 'portal_skins' (`https://<your_instance_url>/portal_skins/custom/manage`), click in 'Add' and then in 'Z SQL Method'. Use 'SaleOrderModule_zGetStock' as SQL Method ID.\n",
-    "\n",
-    "Then you will type the following query:\n",
-    "\n",
-    "```sql\n",
-    "SELECT\n",
-    "  stock.date AS date, stock.quantity\n",
-    "FROM\n",
-    "  stock\n",
-    "```\n",
-    "\n",
-    "All the filtering, grouping and processing of this data will be done using `Pandas` later."
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},