[swss/syncd] remove dependency on interfaces-config.service (#13084)

- Why I did it
Remove dependency on interfaces-config.service to speed up boot, because interfaces-config.service takes a lot of time on boot.

- How I did it
Changed service files for swss, syncd.

- How to verify it
Boot and check swss/syncd start time comparing to interfaces-config

Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>

files/build_templates/per_namespace/swss.service.j2

@@ -11,7 +11,6 @@ Requires=opennsl-modules.service
 {% endif %}
 Requires=updategraph.service
 After=updategraph.service
-After=interfaces-config.service
 BindsTo=sonic.target
 After=sonic.target
 Before=ntp-config.service

files/build_templates/per_namespace/syncd.service.j2

@@ -16,7 +16,6 @@ After=nps-modules.service
 {% endif %}
 Requires=updategraph.service
 After=updategraph.service
-After=interfaces-config.service
 BindsTo=sonic.target
 After=sonic.target
 Before=ntp-config.service