Remove unused environment variables

Co-Authored-By: Pavlo Shchelokovskyy <shchelokovskyy@gmail.com>
Change-Id: I4d720529142d7bf676cce9bf9bc2f3932fd42ae8
diff --git a/telemetry_tempest_plugin/scenario/test_telemetry_integration.py b/telemetry_tempest_plugin/scenario/test_telemetry_integration.py
index 035c138..6af6811 100644
--- a/telemetry_tempest_plugin/scenario/test_telemetry_integration.py
+++ b/telemetry_tempest_plugin/scenario/test_telemetry_integration.py
@@ -122,9 +122,6 @@
             "GNOCCHI_SERVICE_URL": self._get_endpoint(auth, "metric"),
             "HEAT_SERVICE_URL": self._get_endpoint(auth, "heat_plugin"),
             "NOVA_SERVICE_URL": self._get_endpoint(auth, "compute"),
-            "GLANCE_SERVICE_URL": self._get_endpoint(auth, "image"),
-            "SG_CORE_SERVICE_URL":
-            str(config.CONF.telemetry.sg_core_service_url),
             "GLANCE_IMAGE_NAME": self.image_create(),
             "NOVA_FLAVOR_REF": config.CONF.compute.flavor_ref,
             "NEUTRON_NETWORK": networks[0].get('id'),