fix(front): fix XSS because of bad operations when setting the group's summary

Group summary (HTML) is properly sanitized by the backend, but for groups we did a special operation
before setting the HTML in the Vue app. This is now removed

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

src/utils/html.ts

@@ -2,15 +2,6 @@ export function nl2br(text: string): string {
   return text.replace(/(?:\r\n|\r|\n)/g, "<br>");
 }
 
-export function htmlToText(html: string) {
-  const template = document.createElement("template");
-  const trimmedHTML = html.trim();
-  template.innerHTML = trimmedHTML;
-  const text = template.content.textContent;
-  template.remove();
-  return text;
-}
-
 export const getValueFromMeta = (name: string): string | null => {
   const element = document.querySelector(`meta[name="${name}"]`);
   if (element && element.getAttribute("content")) {