remove unnecessary rake

lib/tasks/annotate.rake

-def is_plugin?
-  (defined? ANNOTATE_MODELS_PREFS::USE_PLUGIN) && 
-      (!ANNOTATE_MODELS_PREFS::USE_PLUGIN.nil?) ? 
-      ANNOTATE_MODELS_PREFS::USE_PLUGIN : false
-end
-
-desc "Add schema information (as comments) to model and fixture files"
-task :annotate_models => :environment do
-  if is_plugin?
-    require File.expand_path(File.dirname(__FILE__) + '/../annotate/annotate_models')
-  else
-    require 'annotate_models'
-  end
-
-  options={}
-  options[:position_in_class] = ENV['position_in_class'] || ENV['position']
-  options[:position_in_fixture] = ENV['position_in_fixture'] || ENV['position']  
-  options[:include_version] = ENV['include_version']
-  AnnotateModels.do_annotations(options)
-end
-
-desc "Remove schema information from model and fixture files"
-task :remove_annotation => :environment do
-  if is_plugin?
-    require File.expand_path(File.dirname(__FILE__) + '/../annotate/annotate_models')
-  else
-    require 'annotate_models'
-  end
-  AnnotateModels.remove_annotations
-end
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