We don't package liquid-c.

--- a/Rakefile
+++ b/Rakefile
@@ -32,7 +32,7 @@
   Rake::Task['base_test'].reenable
   Rake::Task['base_test'].invoke
 
-  if RUBY_ENGINE == 'ruby'
+  if false  # XXX-Patched
     ENV['LIQUID-C'] = '1'
 
     ENV['LIQUID_PARSER_MODE'] = 'lax'