ISTWCMS-5898: remove extra spacing above blockquotes when they have a header

src/patterns/01-core/elements/_blockquote.scss

@@ -2,10 +2,6 @@
 // Blockquote styles.
 
 :where(blockquote) {
-  * + & {
-    margin-top: var(--size-5);
-  }
-
   p {
     color: inherit;
     font-family: inherit;