message: remove nonexistent import
diff: @@ -20,7 +20,7 @@ import {
  import { HierarchyCacheConfig, HierarchyCacheMode, PresentationManagerMode, PresentationManagerProps, UnitSystemFormat } from "./PresentationManager";
  import { RulesetManager, RulesetManagerImpl } from "./RulesetManager";
  import { UpdatesTracker } from "./UpdatesTracker";
  -import { BackendDiagnosticsAttribute, BackendDiagnosticsHandler, BackendDiagnosticsOptions, DiagnosticsCallback, getElementKey, getLocalesDirectory } from "./Utils";
  +import { BackendDiagnosticsAttribute, BackendDiagnosticsHandler, BackendDiagnosticsOptions, DiagnosticsCallback, getElementKey } from "./Utils";
  import { buildElementsProperties } from "./ElementPropertiesHelper";
  /** @internal */
  