[FIX] website_slides: correct model definitions setup

website_slides was relying on a model that belongs to a module
it does not depend on. This makes the single module builds fail.
Moreover, it appears this model was not even used during tests.

closes odoo/odoo#86876

Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>

addons/website_slides/static/tests/helpers/model_definitions_setup.js

@@ -2,4 +2,4 @@
 
 import { addModelNamesToFetch } from '@mail/../tests/helpers/model_definitions_helpers';
 
-addModelNamesToFetch(['slide.channel', 'note.note']);
+addModelNamesToFetch(['slide.channel']);