Updates README

Removes outdated example, will rework it.

Author: picandocodigo

README.md

@@ -104,134 +104,6 @@ All Elasticsearch DSL features are supported, namely:
 * [Pagination](https://www.elastic.co/guide/en/elasticsearch/reference/current/search-request-body.html#request-body-search-from-size)
 * [Options](https://www.elastic.co/guide/en/elasticsearch/reference/current/search-request-body.html) (source filtering, highlighting, etc)
 
-An example of a complex search definition is below.
-
-**NOTE:** In order to run the example, you have to allow restoring from the `data.elasticsearch.org` repository by adding the following configuration line to your `elasticsearch.yml`:
-
-```yaml
-repositories.url.allowed_urls: ["https://s3.amazonaws.com/data.elasticsearch.com/*"]
-```
-
-```ruby
-require 'awesome_print'
-
-require 'elasticsearch'
-require 'elasticsearch/dsl'
-
-include Elasticsearch::DSL
-
-client = Elasticsearch::Client.new transport_options: { request: { timeout: 3600, open_timeout: 3600 } }
-
-puts "Recovering the 'bicycles.stackexchange.com' index...".yellow
-
-client.indices.delete index: 'bicycles.stackexchange.com', ignore: 404
-
-client.snapshot.create_repository repository: 'data.elasticsearch.com', body: { type: 'url', settings: { url: 'https://s3.amazonaws.com/data.elasticsearch.com/bicycles.stackexchange.com/' } }
-client.snapshot.restore repository: 'data.elasticsearch.com', snapshot: 'bicycles.stackexchange.com', body: { indices: 'bicycles.stackexchange.com' }
-until client.cluster.health(level: 'indices')['indices']['bicycles.stackexchange.com']['status'] == 'green'
-  r = client.indices.recovery(index: 'bicycles.stackexchange.com', human: true)['bicycles.stackexchange.com']['shards'][0] rescue nil
-  print "\r#{r['index']['size']['recovered'] rescue '0b'} of #{r['index']['size']['total'] rescue 'N/A'}".ljust(52).gray
-  sleep 1
-end; puts
-
-# The search definition
-#
-definition = search {
-  query do
-
-    # Use a `function_score` query to modify the default score
-    #
-    function_score do
-      query do
-        filtered do
-
-          # Use a `multi_match` query for the fulltext part of the search
-          #
-          query do
-            multi_match do
-              query    'fixed fixie'
-              operator 'or'
-              fields   %w[ title^10 body ]
-            end
-          end
-
-          # Use a `range` filter on the `creation_date` field
-          #
-          filter do
-            range :creation_date do
-              gte '2013-01-01'
-            end
-          end
-        end
-      end
-
-      # Multiply the default `_score` by the document rating
-      #
-      functions << { script_score: { script: '_score * doc["rating"].value' } }
-    end
-  end
-
-  # Calculate the most frequently used tags
-  #
-  aggregation :tags do
-    terms do
-      field 'tags'
-
-      # Calculate average view count per tag (inner aggregation)
-      #
-      aggregation :avg_view_count do
-        avg field: 'view_count'
-      end
-    end
-  end
-
-  # Calculate the posting frequency
-  #
-  aggregation :frequency do
-    date_histogram do
-      field    'creation_date'
-      interval 'month'
-      format   'yyyy-MM'
-
-      # Calculate the statistics on comment count per day (inner aggregation)
-      #
-      aggregation :comments do
-        stats field: 'comment_count'
-      end
-    end
-  end
-
-  # Calculate the statistical information about the number of comments
-  #
-  aggregation :comment_count_stats do
-    stats field: 'comment_count'
-  end
-
-  # Highlight the `title` and `body` fields
-  #
-  highlight fields: {
-    title: { fragment_size: 50 },
-    body:  { fragment_size: 50 }
-  }
-
-  # Return only a selection of the fields
-  #
-  source ['title', 'tags', 'creation_date', 'rating', 'user.location', 'user.display_name']
-}
-
-puts "Search definition #{'-'*63}\n".yellow
-ap   definition.to_hash
-
-# Execute the search request
-#
-response = client.search index: 'bicycles.stackexchange.com', type: ['question','answer'], body: definition
-
-puts "\nSearch results #{'-'*66}\n".yellow
-ap   response
-```
-
-NOTE: You have to enable dynamic scripting to be able to execute the `function_score` query, either
-      by adding `script.disable_dynamic: false` to your elasticsearch.yml or command line parameters.
 
 **Please see the extensive RDoc examples in the source code and the integration tests.**