Remove unused spec-doc.rb

closes #7594

spec/spec-doc.rb

-class SpecDoc
-  def initialize(response)
-    @html = Nokogiri::HTML(response.body)
-  end
-
-  def method_missing(method, *args)
-    @html.send method, *args
-  end
-
-  def has_content?(string)
-    escaped = string.gsub("'", "\\'")
-    @html.xpath("//*[contains(text(), '#{escaped}')]").any?
-  end
-  def has_no_content?(string)
-    ! has_content?(string)
-  end
-
-  def has_link?(text)
-    @html.xpath("//a[text()='#{text}']").any?
-  end
-end
-
-def doc
-  SpecDoc.new response
-end

spec/spec_helper.rb

@@ -9,7 +9,6 @@ Coveralls.wear!('rails')
 
 require File.join(File.dirname(__FILE__), "..", "config", "environment")
 require Rails.root.join("spec", "helper_methods")
-require Rails.root.join("spec", "spec-doc")
 require "rspec/rails"
 require "webmock/rspec"
 require "factory_girl"