Revert "VACMS-14747 Fix duplicate ID issue on va-accordion-item (#1660)…

…" (#1669)

This reverts commit 4dc5b26.

src/site/stages/build/plugins/modify-dom/add-id-to-subheadings.js

@@ -46,18 +46,11 @@ module.exports = {
         const heading = dom(el);
         const parent = heading.parents();
         const isInAccordionButton = parent.hasClass('usa-accordion-button');
-        const isInAccordionItem = dom('va-accordion-item [slot="headline"]');
-
         const isInAlert = parent.hasClass('usa-alert-body');
 
         // skip heading if it already has an id
         // skip heading if it's in an accordion button or an alert
-        if (
-          !heading.attr('id') &&
-          !isInAccordionButton &&
-          !isInAlert &&
-          !isInAccordionItem
-        ) {
+        if (!heading.attr('id') && !isInAccordionButton && !isInAlert) {
           const headingID = createUniqueId(heading, headingOptions);
           heading.attr('id', headingID);
           idAdded = true;