[FIX] project: remove unused field

Remove unused fields (including inherited view) in kanban project view,
For example, `user_id` triggers a read for each project on res partner,
40 projects display = 40 read on `res.partner`.

Closes odoo#15096
Related to opw-696979

addons/project/views/project_views.xml

@@ -226,12 +226,10 @@
                 <kanban class="oe_background_grey o_kanban_dashboard o_project_kanban" on_create="project.open_create_project">
                     <field name="name"/>
                     <field name="use_tasks"/>
-                    <field name="user_id"/>
                     <field name="color"/>
                     <field name="task_count"/>
                     <field name="task_needaction_count"/>
                     <field name="label_tasks"/>
-                    <field name="task_ids"/>
                     <field name="alias_id"/>
                     <field name="alias_name"/>
                     <field name="alias_domain"/>