remove explanation field from History view because the message was not contextual and not usefull

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23787 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_egov/SkinTemplateItem/portal_skins/erp5_egov/PDFDocument_viewAnonymousHistory.xml

@@ -100,7 +100,6 @@
                     <key> <string>white_background</string> </key>
                     <value>
                       <list>
-                        <string>explanation</string>
                         <string>listbox</string>
                         <string>listbox_application_income</string>
                         <string>listbox_application_outcome</string>

bt5/erp5_egov/SkinTemplateItem/portal_skins/erp5_egov/PDFDocument_viewHistory.xml

@@ -100,7 +100,6 @@
                     <key> <string>white_background</string> </key>
                     <value>
                       <list>
-                        <string>explanation</string>
                         <string>listbox</string>
                         <string>listbox_application_income</string>
                         <string>listbox_application_outcome</string>

bt5/erp5_egov/bt/revision

-357
\ No newline at end of file
+358
\ No newline at end of file