Removed category sub-titles

Author: MOC student f c/o Michelle Spillar

index.ipynb

@@ -13,20 +13,9 @@
      "source": [
       "## Iris Example Code Contents\n",
       "\n",
-      "\n",
-      "### Shapefiles\n",
-      "\n",
       "* [Shapefile area averaging](http://nbviewer.ipython.org/urls/raw.github.com/dkillick/iris_example_code/master/area_weights.ipynb)\n",
-      "\n",
-      "\n",
-      "### Cell Operations\n",
-      "\n",
       "* [Cell comparisons](http://nbviewer.ipython.org/urls/raw.github.com/dkillick/iris_example_code/master/cell_comparison.ipynb)\n",
       "* [Cell methods loading](http://nbviewer.ipython.org/urls/raw.github.com/dkillick/iris_example_code/master/cell_methods_loading.ipynb)\n",
-      "\n",
-      "\n",
-      "### Coord Operations\n",
-      "\n",
       "* [Coordinate categorisation](http://nbviewer.ipython.org/urls/raw.github.com/dkillick/iris_example_code/master/coord_categorisation.ipynb)"
      ]
     }