Remove ex ipygany that's not working anymore

Author: marimeireles

notebooks/06.More_widget_libraries/06.04-ipygany.ipynb

@@ -144,90 +144,13 @@
     "* CubehelixDefault\n",
     "* Inferno"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "2e04b309",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "colored_mesh.colormap = colormaps.Inferno"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "88e114a5",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "from ipygany import TetraMesh,Threshold"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "4b82155b",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "mesh2 = TetraMesh.from_vtk('piston.vtu')\n",
-    "\n",
-    "iso2 = IsoColor(mesh2, input=('RESU____DEPL', 'DX'), min=-1.3931281e-06, max=1.3929895e-06)\n",
-    "\n",
-    "scene2 = Scene([iso2])\n",
-    "scene2"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "b69fe38d",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "th = Threshold(iso2, input=('RESU____DEPL', 'DX'), min=-1.3931281e-06, max=1.0e-06)\n",
-    "\n",
-    "scene3 = Scene([th])\n",
-    "\n",
-    "scene3"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "0a4ab2a3",
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "th.max = 1.0e-09"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "id": "d4805a04",
-   "metadata": {},
-   "source": [
-    "# Exercise"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "id": "530eb4ae",
-   "metadata": {},
-   "source": [
-    "#### 1) Connect a slider to the `th` value.\n",
-    "\n",
-    "Tip: the default slider values don't offer fine enough control to change the threshold. Try to multiply the slider value by 1.0e-08 to have a better result."
-   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "widgets-tutorial",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
-   "name": "widgets-tutorial"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {