fix: remove unnecessary workaround for #15315 now that #15378 is fixed

Author: vkarpov15

lib/helpers/populate/assignRawDocsToIdStructure.js

@@ -78,12 +78,7 @@ function assignRawDocsToIdStructure(rawIds, resultDocs, resultOrder, options, re
       continue;
     }
 
-    if (id?.constructor?.name === 'Binary' && id.sub_type === 4 && typeof id.toUUID === 'function') {
-      // Workaround for gh-15315 because Mongoose UUIDs don't use BSON UUIDs yet.
-      sid = String(id.toUUID());
-    } else {
-      sid = String(id);
-    }
+    sid = String(id);
     doc = resultDocs[sid];
     // If user wants separate copies of same doc, use this option
     if (options.clone && doc != null) {