Remove hardcoded database name from lab dashboard

brian_dashboard_manager/dashboards/infrastructure_lab.json

@@ -693,7 +693,7 @@
           "multi": true,
           "name": "interface_name",
           "options": [],
-          "query": "SHOW TAG VALUES ON test_brian WITH KEY IN (interface_name) WHERE hostname =~ /$hostname/ ",
+          "query": "SHOW TAG VALUES WITH KEY IN (interface_name) WHERE hostname =~ /$hostname/ ",
           "refresh": 1,
           "regex": "",
           "skipUrlSync": false,