Fix debug var in template

scipost/templates/partials/scipost/personal_page/submissions.html

@@ -21,7 +21,7 @@
     </div>
     <div class="col-12">
         <ul class="list-group list-group-flush">
-            {% for sub in own_submissions %}nr_submission_authorships_to_claim,
+            {% for sub in own_submissions %},
                 <li class="list-group-item">
                     <div class="card-body px-0">
                         {% include 'partials/submissions/submission_card_content.html' with submission=sub %}