Allow a content type only once (Only One) (7.x-1.14) - en to am translation catalogue (3 entries)

en: Save configuration
am: ውቅረት አስቅምጥ

en: Content
am: ይዞታ

en: The configuration options have been saved.
am: የውቅረቱ አማራጮች ተቀምጠዋል።
