erp5_test_result: remove and rename properties

bt5/erp5_test_result/PropertySheetTemplateItem/portal_property_sheets/TestNode/computer_guid_property.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="Standard Property" module="erp5.portal_type"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>categories</string> </key>
-            <value>
-              <tuple>
-                <string>elementary_type/string</string>
-              </tuple>
-            </value>
-        </item>
-        <item>
-            <key> <string>description</string> </key>
-            <value> <string>The computer id (given by SlapOS master) of the server used to install the testnode, generally looks like :\n
-COMP-XXX\n
-where XXX is a number.</string> </value>
-        </item>
-        <item>
-            <key> <string>id</string> </key>
-            <value> <string>computer_guid_property</string> </value>
-        </item>
-        <item>
-            <key> <string>portal_type</string> </key>
-            <value> <string>Standard Property</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>

bt5/erp5_test_result/SkinTemplateItem/portal_skins/erp5_test_result/TestNode_view/my_computer_guid.xml → bt5/erp5_test_result/SkinTemplateItem/portal_skins/erp5_test_result/TestNode_view/my_reference.xml

@@ -8,7 +8,7 @@
       <dictionary>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>my_computer_guid</string> </value>
+            <value> <string>my_reference</string> </value>
         </item>
         <item>
             <key> <string>message_values</string> </key>