erp5_officejs: only show the slide content

bt5/erp5_officejs/SkinTemplateItem/portal_skins/erp5_officejs_slideshow_editor/TestPage_viewForSlideshowViewer.xml

@@ -87,9 +87,7 @@
                 <item>
                     <key> <string>center</string> </key>
                     <value>
-                      <list>
-                        <string>my_description</string>
-                      </list>
+                      <list/>
                     </value>
                 </item>
                 <item>
@@ -101,10 +99,7 @@
                 <item>
                     <key> <string>left</string> </key>
                     <value>
-                      <list>
-                        <string>my_title</string>
-                        <string>my_reference</string>
-                      </list>
+                      <list/>
                     </value>
                 </item>
                 <item>
@@ -116,10 +111,7 @@
                 <item>
                     <key> <string>right</string> </key>
                     <value>
-                      <list>
-                        <string>my_version</string>
-                        <string>my_language</string>
-                      </list>
+                      <list/>
                     </value>
                 </item>
               </dictionary>