Update objects needed to comply with the french paysheet system for fiscal year 2006

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6747 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_payroll/PathTemplateItem/portal_categories/tax_category.xml

@@ -383,7 +383,9 @@
         </item>
         <item>
             <key> <string>description</string> </key>
-            <value> <string></string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>fallback_base_category</string> </key>
@@ -405,7 +407,9 @@
         </item>
         <item>
             <key> <string>title</string> </key>
-            <value> <string></string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>uid</string> </key>