slapos_erp5: shadow user do not need access to Compute Node anymore

master/bt5/slapos_erp5/PortalTypeRolesTemplateItem/Compute%20Node.xml

 <type_roles>
-  <role id='Auditor'>
-   <property id='title'>Allocation scope</property>
-   <property id='condition'>python: here.getAllocationScope('').startswith('open')</property>
-   <property id='base_category_script'>ComputeNode_getSecurityCategoryFromAllocationScope</property>
-   <multi_property id='categories'>local_role_group/shadow</multi_property>
-   <multi_property id='base_category'>aggregate</multi_property>
-  </role>
-  <role id='Auditor'>
-   <property id='title'>Member access</property>
-   <property id='condition'>python: here.getValidationState() == 'validated'</property>
-   <property id='base_category_script'>ComputeNode_getSecurityCategoryFromValidationState</property>
-   <multi_property id='categories'>local_role_group/shadow</multi_property>
-   <multi_property id='base_category'>aggregate</multi_property>
-  </role>
   <role id='Assignee'>
    <property id='title'>Organisation Member</property>
    <property id='base_category_script'>Item_getSecurityCategoryFromMovementDestinationSection</property>