aml_dbus_ws_br: remove system user in service file [3/3]

PD#SWPL-192894

Problem:
user should be defined according to distro-feature

Solution:
remove system user in service file

Verify:
t5w

Change-Id: I5f89ce4be9cf6ccf015d73103a2340c82ae7387f
Signed-off-by: Jun Zhang <jun.zhang@amlogic.com>
2 files changed