fix: omit line

Author: CBID2

supplementary_style_guide/style_guidelines/links.adoc

@@ -59,7 +59,7 @@ Follow these guidelines when specifying link text:
 
 * Use the title of the Knowledgebase article for the link text, or use descriptive running text.
 *  When not using running text, call out that this is a Knowledgebase article.
-when _not_ using running text.
+
 * When the link appears in *Additional resources*, put the article title first, followed by `(Red Hat Knowledgebase)`.