replace molecule drawn using Kekule with img from PubChem

Former-commit-id: 8e7e9e1c7f4f2dcff688950699dacaf12b6186c8

ippisite/ippidb/templates/compound_abstract.html

 <div class="row m-2 border border-info bg-light">
-  <div class="col-sm-3 bg-info">
-    <div id="{{ compound.id }}_smilesdisplay"
-      data-widget="Kekule.ChemWidget.Viewer2D" data-auto-fit="true"
-      data-toolbar-evoke-modes="[0]" style="width: 200px; height: 200px;">
-    </div>
-    <textarea rows="10" cols="50" id="{{ compound.id }}_smilesvalue" style="display:none;">{{ compound.canonical_smile }}</textarea>
-    <script>
-      $(window).on('load', function(){
-        kekule_display('{{ compound.id }}_smilesvalue','{{ compound.id }}_smilesdisplay')
-      });
-    </script>
+  <div class="col-sm-3 border-info d-flex justify-content-center align-content-center">
+    <img src="https://pubchem.ncbi.nlm.nih.gov/image/imagefly.cgi?cid={{ compound.pubchem_id }}&width=300&height=300" style="width:300px;height:300px;"/>
   </div>
   <div class="col-sm-9">
     <ul class="list-group">

ippisite/ippidb/templates/compound_list.html

@@ -5,7 +5,6 @@
 
 {% block content %}
 
-{% include "kekule_display.html" %}
 <div class="container-fluid">
 <div class="row flex-xl-nowrap">
   <div class="col-12 col-md-3 col-xl-2 bd-sidebar">