While the Simple Fields plugin is no longer updated or supported, there are still users who use it and develop functionality to extend its features. @meatHucker have created a plugin called “Simple Fields Minimizer” that “Modifies Simple Fields word press plugin, giving long fields ability to minimize all or per section and re-sort”.
This is @meathucker. FYI my github handle changed -> @ryanmparrish
Download it from Github: https://github.com/ryanmparrish/simple-fields-minimizer