Tracing: Remove newTraceViewHeader feature toggle (#71818)

* Remove TracePageHeader, uiFind, setTrace and many spanFindMatches

* Removed TracePageSearchBar

* Update useSearch

* Update filterSpans

* Update docs

* Updated tests

* Add trace to tests

* Remove feature toggle

* Renames in useSearch

* Renames in filter-spans

* Cleanup fixes

* Rename TracePageHeader

* Rename TracePageSearchBar

* Update test

* Update style for long urls

* Style and check

pkg/services/featuremgmt/registry.go

@@ -79,13 +79,6 @@ var (
 			Stage:       FeatureStageExperimental,
 			Owner:       grafanaAppPlatformSquad,
 		},
-		{
-			Name:         "newTraceViewHeader",
-			Description:  "Shows the new trace view header",
-			Stage:        FeatureStageExperimental,
-			FrontendOnly: true,
-			Owner:        grafanaObservabilityTracesAndProfilingSquad,
-		},
 		{
 			Name:        "correlations",
 			Description: "Correlations page",

pkg/services/featuremgmt/toggles_gen.csv

@@ -10,7 +10,6 @@ lokiExperimentalStreaming,experimental,@grafana/observability-logs,false,false,f
 featureHighlights,GA,@grafana/grafana-as-code,false,false,false,false
 migrationLocking,preview,@grafana/backend-platform,false,false,false,false
 storage,experimental,@grafana/grafana-app-platform-squad,false,false,false,false
-newTraceViewHeader,experimental,@grafana/observability-traces-and-profiling,false,false,false,true
 correlations,preview,@grafana/explore-squad,false,false,false,false
 datasourceQueryMultiStatus,experimental,@grafana/plugins-platform-backend,false,false,false,false
 traceToMetrics,experimental,@grafana/observability-traces-and-profiling,false,false,false,true

pkg/services/featuremgmt/toggles_gen.go

@@ -51,10 +51,6 @@ const (
 	// Configurable storage for dashboards, datasources, and resources
 	FlagStorage = "storage"
 
-	// FlagNewTraceViewHeader
-	// Shows the new trace view header
-	FlagNewTraceViewHeader = "newTraceViewHeader"
-
 	// FlagCorrelations
 	// Correlations page
 	FlagCorrelations = "correlations"