remove dtext perf test

test/performance/dtext_test.rb

@@ -1,35 +0,0 @@
-require 'test_helper'
-require 'rails/performance_test_help'
-
-class DtextTest < ActionDispatch::PerformanceTest
-  self.profile_options = {
-    :runs => 5
-  }
-  # Refer to the documentation for all available options
-  # self.profile_options = { :runs => 5, :metrics => [:wall_time, :memory]
-  #                          :output => 'tmp/performance', :formats => [:flat] }
-
-  def setup
-    base_text = <<-EOS
-      [b]Lorem ipsum[/b] dolor sit amet, "consectetur":http://www.google.com adipisicing elit, sed do eiusmod
-      tempor incididunt ut labore et [[dolore]] [[magna|MAGNA]] aliqua. Ut enim ad minim veniam,
-      quis nostrud exercitation ullamco {{laboris}} nisi ut aliquip ex ea commodo
-      h1. consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
-      cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
-      [quote]proident, sunt in culpa qui officia deserunt mollit anim id est laborum.[/quote]
-
-      * list of items
-      ** list of items
-      *** list of items
-      ** list of items user #1234
-      * list of items post #1234
-
-      [spoiler]this is a spoiler[/spoiler]
-    EOS
-    @text = base_text * 1000
-  end
-
-  def test_parse
-    DText.parse(@text)
-  end
-end