normalize template parameters from database

app/templates/users/user.html.j2

@@ -123,8 +123,7 @@ let followedCorpusList = new FollowedCorpusList(document.querySelector('.followe
 followedCorpusList.add(
   [
     {% for corpus in user.followed_corpora %}
-    {{ corpus.to_json_serializeable()|tojson }}
-    {% if not loop.last %},{% endif %}
+    {{ corpus.to_json_serializeable()|tojson }},
     {% endfor %}
   ]
 );
@@ -132,8 +131,7 @@ let publicCorpusList = new PublicCorpusList(document.querySelector('.public-corp
 publicCorpusList.add(
   [
     {% for corpus in user.corpora if corpus.is_public %}
-    {{ corpus.to_json_serializeable()|tojson }}
-    {% if not loop.last %},{% endif %}
+    {{ corpus.to_json_serializeable()|tojson }},
     {% endfor %}
   ]
 );