removed filtering of router list against opsdb

inventory_provider/tasks/ims_worker.py

@@ -77,7 +77,12 @@ def internal_refresh_phase_2_ims(self):
             update_port_ids_to_services_ims.apply_async(),
             import_unmanaged_interfaces.apply_async()
         ]
-        for hostname in data.derive_router_hostnames(InventoryTask.config):
+
+        r = get_next_redis(config)
+        routers = r.get('netdash')
+        assert routers
+        # for hostname in data.derive_router_hostnames(InventoryTask.config):
+        for hostname in routers:
             logger.debug(f'queueing router refresh jobs for {hostname}')
             subtasks.append(reload_router_config.apply_async(args=[hostname]))