Revert "try stemming with the snowball analyzer (bug 689933)"

This reverts commit b1a876e15b.

apps/addons/search.py

@@ -70,10 +70,6 @@ def setup_mapping():
             # Adding word-delimiter to split on camelcase and punctuation.
             'name': {'type': 'string',
                      'analyzer': 'standardPlusWordDelimiter'},
-            'summary': {'type': 'string',
-                        'analyzer': 'snowball'},
-            'description': {'type': 'string',
-                            'analyzer': 'snowball'},
             'tags': {'type': 'string',
                      'index': 'not_analyzed',
                      'index_name': 'tag'},

scripts/elasticsearch/elasticsearch.yml

@@ -11,7 +11,7 @@ index:
       standardPlusWordDelimiter:
         type: custom
         tokenizer: standard
-        filter: [standard, wordDelim, lowercase, stop, dict, snowball]
+        filter: [standard, wordDelim, lowercase, stop, dict]
     filter:
       wordDelim:
         type: word_delimiter