Remove build dependency from 'check:markup' task

stomar · stomar · commit ab04d7d3834b · 2018-05-09T21:32:07.000+02:00
The site might already be built for previewing, and re-generating
takes a very long time. It's better to trigger the build manually,
if necessary.
diff --git a/Rakefile b/Rakefile
@@ -138,7 +138,7 @@ namespace :check do
   end
 
   desc 'Validate _site markup with validate-website'
-  task :markup => :build do
+  task :markup do
     require_relative "lib/markup_checker"
     MarkupChecker.new.check
   end
