The route is no longer used but was still present in the code.
Processing email should be the job of the fetchmail server and they
should not be injected directly from outside (even if emails are
unauthenticated by design, mail servers may still have some say in the
process).
Courtesy of Alexandre Díaz
closesodoo/odoo#50084
X-original-commit: ab70afb3963b0952e938ab39ef3dcb47ecc01f61
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>