Stop serving /metrics on main webserver in favour of dedicated ports

SAS/TMSS/backend/src/tmss/urls.py

@@ -270,7 +270,6 @@ frontend_urlpatterns = [
 urlpatterns = [url(r'^api$', RedirectView.as_view(url='/api/')),
                 url(r'^api/', include(urlpatterns)), url(r'^oidc$',
                 RedirectView.as_view(url='/oidc/')),
-                path('', include('django_prometheus.urls')),
                 url(r'^oidc/', include('mozilla_django_oidc.urls')),
                 url(r'^schedule', views.public_schedule),
                 url(r'^past_schedule', views.public_past_schedule),