fix GLM-model-selection widget metadata (#175)

Author: OriolAbril

examples/generalized_linear_models/GLM-model-selection.ipynb

@@ -1598,25 +1598,6 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.8.5"
-  },
-  "widgets": {
-   "state": {
-    "87b986ac3e5a43ec859cf10e013f2955": {
-     "views": [
-      {
-       "cell_index": 9
-      }
-     ]
-    },
-    "f1f05f8da738419e8e2c54ee1809c61c": {
-     "views": [
-      {
-       "cell_index": 47
-      }
-     ]
-    }
-   },
-   "version": "1.2.0"
   }
  },
  "nbformat": 4,