Remove gc for now

lib/linguist/classifier.rb

@@ -57,13 +57,6 @@ module Linguist
       nil
     end
 
-    # Public: Prune infrequent tokens.
-    #
-    # Returns receiver Classifier instance.
-    def gc
-      self
-    end
-
     # Public: Guess language of data.
     #
     # data      - Array of tokens or String data to analyze.

lib/linguist/sample.rb

@@ -89,7 +89,7 @@ module Linguist
         data     = File.read(sample[:path])
         classifier.train(language.name, data)
       }
-      classifier.gc
+      classifier
     end
   end
 end

test/test_classifier.rb

@@ -71,10 +71,6 @@ class TestClassifier < Test::Unit::TestCase
     assert_equal data['tokens_total'], data['tokens'].inject(0) { |n, (_, ts)| n += ts.inject(0) { |m, (_, c)| m += c } }
   end
 
-  def test_gc
-    Classifier.instance.gc
-  end
-
   def test_classify_ambiguous_languages
     Sample.each do |sample|
       language = Linguist::Language.find_by_alias(sample[:language])