Use dw dynamic config (#91222)

* Remove kubernetesPlaylists feature_toggle

* Remove unified_storage_mode

* Remove double import

* Regenerate feature-toggles

* Read from config instead from feature_toggle

* cover scenario for when unified storage is not defined

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -112,7 +112,6 @@ export interface FeatureToggles {
   disableClassicHTTPHistogram?: boolean;
   formatString?: boolean;
   transformationsVariableSupport?: boolean;
-  kubernetesPlaylists?: boolean;
   kubernetesSnapshots?: boolean;
   kubernetesDashboards?: boolean;
   datasourceQueryTypes?: boolean;

packages/grafana-runtime/src/config.ts

@@ -185,6 +185,7 @@ export class GrafanaBootConfig implements GrafanaConfig {
   cloudMigrationPollIntervalMs = 2000;
   reportingStaticContext?: Record<string, string>;
   exploreDefaultTimeOffset = '1h';
+  unifiedStorage: Map<string, number> = new Map<string, number>();
 
   /**
    * Language used in Grafana's UI. This is after the user's preference (or deteceted locale) is resolved to one of