[FIX] hw_posbox_homepage: In iot, remove sending an unused variable

In iot, when we send a request to
the route '/hw_posbox_homepage/password' we pass a variable which is unused.
And which therefore causes a warning in the iot logs.
This commit removes the query parameter.

closes odoo/odoo#151604

X-original-commit: f713d48f6393e58cf9c4b5fe08e1407ea2be8513
Signed-off-by: Yaroslav Soroko (yaso) <yaso@odoo.com>
Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

addons/hw_posbox_homepage/views/remote_connect.html

@@ -32,7 +32,7 @@
                     url:'/hw_posbox_homepage/password',
                     type: 'post',
                     contentType: 'application/json',
-                    data: JSON.stringify({ params: {action: 'view'} }),
+                    data: JSON.stringify({}),
                 }).done(function(password) {
                     $('.password').val(password['result']);
                 });