[IMP] hr_attendance: drop redundant attribute

This appears to be leftover from a C/P from the line above, however
`type="html"` does not make much sense on `<p>` element.

closes odoo/odoo#35124

Signed-off-by: Martin Trigaux (mat) <mat@odoo.com>

addons/hr_attendance/views/hr_attendance_view.xml

@@ -129,7 +129,7 @@
         <field name="view_mode">tree,form</field>
         <field name="context">{'search_default_employee_id': active_id, 'default_employee_id': active_id, 'create': False}</field>
         <field name="help" type="html">
-            <p class="o_view_nocontent_empty_folder" type="html">
+            <p class="o_view_nocontent_empty_folder">
                 No attendance records to display
             </p><p>
                 The attendance records of your employees will be displayed here.