refactor: removed obsolete declaration

Author: mfranzke

source/_patterns/02-components/cards/_card.hbs

@@ -6,7 +6,7 @@
 					<use href="../../icons/illustrative/{{ icon }}.svg#icon"></use>
 				</svg>
 			{{else}}
-				{{> elements-image src="../../icons/functional/images/navigation/db_ic_list_20.svg" alt="" role="presentation" }}
+				{{> elements-image src="../../icons/functional/images/navigation/db_ic_list_20.svg" alt="" }}
 			{{/if_eq }}
 			<figcaption>
 				<!-- [html-validate-disable-next heading-level, no-unused-disable] -->