Remove Eq derived instance from 'ImplementationType'

Author: balacij

code/drasil-code/lib/Language/Drasil/Choices.hs

@@ -78,7 +78,6 @@ instance RenderChoices Modularity where
 -- | Program implementation options.
 data ImplementationType = Library -- ^ Generated code does not include Controller.
                         | Program -- ^ Generated code includes Controller.
-  deriving Eq
 
 -- | Renders options for program implementation.
 instance RenderChoices ImplementationType where