Prometheus: Remove prometheusMetricEncyclopedia feature toggle (#98414)

* remove toggle from registry

* remove from metric combobox

* remove toggle from metric select

* remove toggle from promQueryBuilderContainer

* prettier

pkg/services/featuremgmt/registry.go

@@ -272,15 +272,6 @@ var (
 			Stage:       FeatureStageExperimental,
 			Owner:       grafanaBackendGroup,
 		},
-		{
-			Name:           "prometheusMetricEncyclopedia",
-			Description:    "Adds the metrics explorer component to the Prometheus query builder as an option in metric select",
-			Expression:     "true",
-			Stage:          FeatureStageGeneralAvailability,
-			FrontendOnly:   true,
-			Owner:          grafanaObservabilityMetricsSquad,
-			AllowSelfServe: true,
-		},
 		{
 			Name:           "influxdbBackendMigration",
 			Description:    "Query InfluxDB InfluxQL without the proxy",

pkg/services/featuremgmt/toggles_gen.csv

@@ -34,7 +34,6 @@ lokiShardSplitting,experimental,@grafana/observability-logs,false,false,true
 lokiQuerySplitting,GA,@grafana/observability-logs,false,false,true
 lokiQuerySplittingConfig,experimental,@grafana/observability-logs,false,false,true
 individualCookiePreferences,experimental,@grafana/grafana-backend-group,false,false,false
-prometheusMetricEncyclopedia,GA,@grafana/observability-metrics,false,false,true
 influxdbBackendMigration,GA,@grafana/observability-metrics,false,false,true
 influxqlStreamingParser,experimental,@grafana/observability-metrics,false,false,false
 influxdbRunQueriesInParallel,privatePreview,@grafana/observability-metrics,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -147,10 +147,6 @@ const (
 	// Support overriding cookie preferences per user
 	FlagIndividualCookiePreferences = "individualCookiePreferences"
 
-	// FlagPrometheusMetricEncyclopedia
-	// Adds the metrics explorer component to the Prometheus query builder as an option in metric select
-	FlagPrometheusMetricEncyclopedia = "prometheusMetricEncyclopedia"
-
 	// FlagInfluxdbBackendMigration
 	// Query InfluxDB InfluxQL without the proxy
 	FlagInfluxdbBackendMigration = "influxdbBackendMigration"

pkg/services/featuremgmt/toggles_gen.json

@@ -2952,6 +2952,7 @@
         "name": "prometheusMetricEncyclopedia",
         "resourceVersion": "1720021873452",
         "creationTimestamp": "2023-03-07T18:41:05Z",
+        "deletionTimestamp": "2024-12-30T14:42:45Z",
         "annotations": {
           "grafana.app/updatedTimestamp": "2024-07-03 15:51:13.452477 +0000 UTC"
         }