refactor: rewrite useStepWithTestExecutions with RQ

packages/backend/src/graphql/query-resolvers.js

@@ -4,7 +4,6 @@ import getAppAuthClients from './queries/get-app-auth-clients.ee.js';
 import getBillingAndUsage from './queries/get-billing-and-usage.ee.js';
 import getConnectedApps from './queries/get-connected-apps.js';
 import getDynamicData from './queries/get-dynamic-data.js';
-import getStepWithTestExecutions from './queries/get-step-with-test-executions.js';
 import testConnection from './queries/test-connection.js';
 
 const queryResolvers = {
@@ -14,7 +13,6 @@ const queryResolvers = {
   getBillingAndUsage,
   getConnectedApps,
   getDynamicData,
-  getStepWithTestExecutions,
   testConnection,
 };