[erp5_forge] Time is meaningless on bug.

No need to display the date time on module view.

bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_forge/BugModule_viewBugList/listbox_delivery_start_date.xml

@@ -263,7 +263,7 @@
                 </item>
                 <item>
                     <key> <string>date_only</string> </key>
-                    <value> <int>0</int> </value>
+                    <value> <int>1</int> </value>
                 </item>
                 <item>
                     <key> <string>date_separator</string> </key>