Improve a11y (#1841)

Improve accessibility by removing unnecessary tags without hrefs. Also remove many eslint errors and warnings.

scm-ui/ui-webapp/src/repos/permissions/components/DeletePermissionButton.tsx

@@ -78,11 +78,7 @@ const DeletePermissionButton: FC<Props> = ({ namespaceOrRepository, permission,
   return (
     <>
       <ErrorNotification error={error} />
-      <a className="level-item" onClick={action}>
-        <span className="icon is-small">
-          <Icon name="trash" title={t("permission.delete-permission-button.label")} color="inherit" />
-        </span>
-      </a>
+      <Icon name="trash" onClick={action} />
     </>
   );
 };