HBASE-9439 shell command list shows something not meaningful - REVERTED

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1520452 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/ruby/shell/commands/list.rb

@@ -40,6 +40,7 @@ EOF
         end
 
         formatter.footer(now, list.size)
+        return list
       end
     end
   end