config: don't explicitely eager-load controllers/concerns
config: don't explicitely eager-load controllers/concerns

Per the documentation, Rails automatically loads `**/concerns` paths.

See https://guides.rubyonrails.org/autoloading_and_reloading_constants_classic_mode.html#autoload-paths-and-eager-load-paths
sgmap/tps,sgmap/tps,sgmap/tps