[IMP] website_event: do not repeat category name in name_get of tags

This commit cleans the display name of event.tags as there is no need
to repeat the category name. It adds noise without any added value.

Task-2488019
PR odoo/odoo#68901

addons/event/models/event_tag.py

@@ -29,6 +29,3 @@ class EventTag(models.Model):
     color = fields.Integer(
         string='Color Index', default=lambda self: self._default_color(),
         help='Tag color. No color means no display in kanban or front-end, to distinguish internal tags from public categorization tags.')
-
-    def name_get(self):
-        return [(tag.id, "%s: %s" % (tag.category_id.name, tag.name)) for tag in self]

addons/website_event/views/event_tag_category_views.xml

@@ -17,7 +17,7 @@
         <field name="model">event.tag.category</field>
         <field name="inherit_id" ref="event.event_tag_category_view_tree"/>
         <field name="arch" type="xml">
-            <field name="tag_ids" position="before">
+            <field name="tag_ids" position="after">
                 <field name="is_published" string="Show on Website"/>
             </field>
         </field>