Cleanup, minor: Removed an outdated comment about the "dre" argument...

...in indexer_common.py. This argument was removed when the file
indexer_common.py was split out from indexer_dbm (in now
2005-01-04T11:48:[email protected]).

Author: Bernhard Reiter

roundup/backends/indexer_common.py

@@ -36,8 +36,6 @@ def getHits(self, search_terms, klass):
     def search(self, search_terms, klass, ignore={}):
         """Display search results looking for [search, terms] associated
         with the hyperdb Class "klass". Ignore hits on {class: property}.
-
-        "dre" is a helper, not an argument.
         """
         # do the index lookup
         hits = self.getHits(search_terms, klass)