[FIX] web: burger menu isn't automatically closed

This commit reverts a previous fix because we found a better one
in enterprise.
So we don't need this line anymore.

opw-2071605
Task ID: 2152160

closes odoo/odoo#43102

Related: odoo/enterprise#7647
Signed-off-by: Adrien Dieudonné (adr) <adr@odoo.com>