remove undefined task

examples/land-cover-fastai/deep_lulc_walkthrough.ipynb

@@ -623,7 +623,6 @@
     "save_s = SaveTask(path_out_inference, overwrite_permission=OverwritePermission.OVERWRITE_PATCH)\n",
     "workflow = LinearWorkflow(\n",
     "        add_data,\n",
-    "        add_clm,\n",
     "        ndvi,\n",
     "        ndwi,\n",
     "        ndbi,\n",
@@ -839,7 +838,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.0"
+   "version": "3.7.6"
   },
   "nteract": {
    "version": "0.14.4"
@@ -856,6 +855,35 @@
    "toc_position": {},
    "toc_section_display": true,
    "toc_window_display": false
+  },
+  "varInspector": {
+   "cols": {
+    "lenName": 16,
+    "lenType": 16,
+    "lenVar": 40
+   },
+   "kernels_config": {
+    "python": {
+     "delete_cmd_postfix": "",
+     "delete_cmd_prefix": "del ",
+     "library": "var_list.py",
+     "varRefreshCmd": "print(var_dic_list())"
+    },
+    "r": {
+     "delete_cmd_postfix": ") ",
+     "delete_cmd_prefix": "rm(",
+     "library": "var_list.r",
+     "varRefreshCmd": "cat(var_dic_list()) "
+    }
+   },
+   "types_to_exclude": [
+    "module",
+    "function",
+    "builtin_function_or_method",
+    "instance",
+    "_Feature"
+   ],
+   "window_display": false
   }
  },
  "nbformat": 4,