Remove jq.1.default and related content

docs/Rakefile

@@ -127,10 +127,6 @@ task :manpage do
   end
 end
 
-task :manpage_default => ["default_manpage.md"] do
-  puts Ronn::Document.new("default_manpage.md").convert('roff').gsub(/<\/?code>/,"")
-end
-
 task :mantests do
   load_manual['sections'].each do |section|
     (section['entries'] || []).each do |entry|