fix lint issue

Author: nielslyngsoe

src/packages/block/block-grid/property-editors/block-grid-areas-config/property-editor-ui-block-grid-areas-config.element.ts

@@ -6,11 +6,7 @@ import { UmbLitElement } from '@umbraco-cms/backoffice/lit-element';
 import { html, customElement, property, state, repeat } from '@umbraco-cms/backoffice/external/lit';
 import type { UmbPropertyEditorUiElement } from '@umbraco-cms/backoffice/extension-registry';
 import { UMB_PROPERTY_DATASET_CONTEXT } from '@umbraco-cms/backoffice/property';
-import {
-	UmbPropertyValueChangeEvent,
-	type UmbPropertyEditorConfigCollection,
-} from '@umbraco-cms/backoffice/property-editor';
-import { UmbId } from '@umbraco-cms/backoffice/id';
+import type { UmbPropertyEditorConfigCollection } from '@umbraco-cms/backoffice/property-editor';
 import { UmbModalRouteRegistrationController } from '@umbraco-cms/backoffice/router';
 import { incrementString } from '@umbraco-cms/backoffice/utils';