[FIX] hr_contract: Improve list view loading time

Hidden message_needaction fields was taking 2.1 over 2.2 seconds on odoo.com
(+- 5000 contracts in running state)

closes odoo/odoo#148581

X-original-commit: de983bdd038e19703f461d5e529455f957ff842a
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>

addons/hr_contract/views/hr_contract_views.xml

@@ -275,7 +275,6 @@
                     <field name="resource_calendar_id" optional="show"/>
                     <field name="structure_type_id" optional="hidden"/>
                     <field name="state" widget="badge" decoration-info="state == 'draft'" decoration-warning="state == 'close'" decoration-success="state == 'open'"/>
-                    <field name="message_needaction" column_invisible="True"/>
                     <field name="company_id" groups="base.group_multi_company" readonly="1" optional="hidden"/>
                 </tree>
             </field>