Remove unused import

Author: SWH-Relewise

packages/client/tests/integration-tests/productSearch.integration.test.ts

@@ -1,7 +1,6 @@
 import { Searcher, ProductSearchBuilder, ProductSearchRequest, UserFactory, ValueSelectorFactory, DataValueFactory, GetProductFacet, ProductAssortmentFacet, ProductDataStringValueFacetResult, CategoryFacetResult, BrandFacetResult, Tracker } from '../../src';
 import { Integrator, ProductUpdateBuilder, ProductVariantBuilder } from '@relewise/integrations';
 import { test, expect } from '@jest/globals'
-import { sign } from 'crypto';
 import { fail } from 'assert';
 
 const { npm_config_API_KEY: API_KEY, npm_config_DATASET_ID: DATASET_ID, npm_config_SERVER_URL: SERVER_URL } = process.env;