Logs: remove toggleLabelsInLogsUI (#77264)

* toggleLabelsInLogsUI: remove flag

* Remove unused imports

* isFilterLabelActive: refId is not optional

* Revert "isFilterLabelActive: refId is not optional"

This reverts commit 008931b7e9.

* Revert method signature change

* Update tests

* Update tests

pkg/services/featuremgmt/registry.go

@@ -589,14 +589,6 @@ var (
 			Expression:   "true", // enabled by default
 			Owner:        grafanaObservabilityMetricsSquad,
 		},
-		{
-			Name:         "toggleLabelsInLogsUI",
-			Description:  "Enable toggleable filters in log details view",
-			Stage:        FeatureStageGeneralAvailability,
-			FrontendOnly: true,
-			Expression:   "true", // enabled by default
-			Owner:        grafanaObservabilityLogsSquad,
-		},
 		{
 			Name:         "mlExpressions",
 			Description:  "Enable support for Machine Learning in server-side expressions",

pkg/services/featuremgmt/toggles_gen.csv

@@ -84,7 +84,6 @@ prometheusIncrementalQueryInstrumentation,experimental,@grafana/observability-me
 logsExploreTableVisualisation,experimental,@grafana/observability-logs,false,false,false,true
 awsDatasourcesTempCredentials,experimental,@grafana/aws-datasources,false,false,false,false
 transformationsRedesign,GA,@grafana/observability-metrics,false,false,false,true
-toggleLabelsInLogsUI,GA,@grafana/observability-logs,false,false,false,true
 mlExpressions,experimental,@grafana/alerting-squad,false,false,false,false
 traceQLStreaming,experimental,@grafana/observability-traces-and-profiling,false,false,false,true
 metricsSummary,experimental,@grafana/observability-traces-and-profiling,false,false,false,true

pkg/services/featuremgmt/toggles_gen.go

@@ -347,10 +347,6 @@ const (
 	// Enables the transformations redesign
 	FlagTransformationsRedesign = "transformationsRedesign"
 
-	// FlagToggleLabelsInLogsUI
-	// Enable toggleable filters in log details view
-	FlagToggleLabelsInLogsUI = "toggleLabelsInLogsUI"
-
 	// FlagMlExpressions
 	// Enable support for Machine Learning in server-side expressions
 	FlagMlExpressions = "mlExpressions"