removed geoSearch example code.

Author: Andrew Leung

draft/core/geospatial-indexes.txt

@@ -177,17 +177,6 @@ in the coordinate in the same bucket.
 By default, all queries that use a geospatial haystack index will return 50
 documents.
 
-In the following example, the :func:`ensureIndex()
-<db.command.ensureIndex()>` method creates an index that would support
-a query that returned all locations (e.g. restaurants) in the
-``places`` collection within a maximum distance of 2 degrees longitude
-or latitude. Create this index using following command:
-
-.. code-block:: javascript
-
-   db.places.ensureIndex({ loc: "geoHaystack", type: 1},
-                         { bucketSize: 2 } )
-
 To query geohaystack indexes, you *must* use the :dbcommand:`geoSearch`
 command, please see the :ref:`Querying Haystack Indexes
 <geospatial-haystack-queries>` section.