Remove fallback PM tag

assets/javascripts/discourse-assign/initializers/extend-for-assigns.js.es6

@@ -133,15 +133,9 @@ function initialize(api) {
     const assignedTo = topic.get("assigned_to_user.username");
     if (assignedTo) {
       const assignedPath = topic.assignedToUserPath;
-      let assignLabels = `<a data-auto-route='true' class='assigned-to discourse-tag simple' href='${assignedPath}'>${iconHTML(
+      return `<a data-auto-route='true' class='assigned-to discourse-tag simple' href='${assignedPath}'>${iconHTML(
         "user-plus"
       )}${assignedTo}</a>`;
-
-      if (topic.archetype === "private_message") {
-        assignLabels += `<div>${iconHTML("envelope")} Message</div>`;
-      }
-
-      return assignLabels;
     }
   });