Revert "[gen/wiki/oar] Pick ramdom possible values if more than 20 for a property"

This reverts commit b7237e0d.

lib/refrepo/gen/wiki/generators/oar_properties.rb

@@ -281,8 +281,8 @@ class OarPropertiesGenerator < WikiGenerator
     oar_properties.sort.to_h.each { |prop, prop_hash|
       prop_hash["values"].sort!
       if (prop_hash["values"].length > 20)
-        #Limit possible values to 20 random elements and mark the list as truncated
-        prop_hash["values"] = prop_hash["values"].sample(20).sort
+        #Limit possible values to 20 elements and mark the list as truncated
+        prop_hash["values"].slice!(0...-20)
         prop_hash["values"].push("...")
       end
       @@properties[prop]["possible_values"] ||= prop_hash["values"].join(", ") unless @@properties[prop].nil?