Remove obsolete comment

Author: lafrech

flask_mongoengine/pagination.py

@@ -145,7 +145,6 @@ def __init__(self, queryset, doc_id, field_name, page, per_page,
 
         field_attrs = {field_name: {"$slice": [start_index, per_page]}}
 
-        # Clone for mongoengine 0.7
         qs = queryset(pk=doc_id)
         self.items = getattr(qs.fields(**field_attrs).first(), field_name)
         self.total = total or len(getattr(qs.fields(**{field_name: 1}).first(),