fix champs email : pas obligatoire, du coup rien ne l'est

_includes/forms/distrib.html

@@ -917,7 +917,7 @@
                 </label>
 
                 <div class="entry__field">
-                  <input class="input" type="text" id="EMAIL" name="EMAIL" autocomplete="off" placeholder="EMAIL" data-required="" required />
+                  <input class="input" type="text" id="EMAIL" name="EMAIL" autocomplete="off" placeholder="EMAIL" data-required="" />
                 </div>
               </div>