Fix build_execution_graph.test.ts types (elastic#235879)

elastic#235801

Author: jbudz

src/platform/packages/shared/kbn-workflows/graph/build_execution_graph/tests/build_execution_graph.test.ts

@@ -300,8 +300,6 @@ describe('convertToWorkflowGraph', () => {
       const node = executionGraph.node('testElasticsearchStep');
       expect(node).toEqual({
         id: 'testElasticsearchStep',
-        stepId: 'testElasticsearchStep',
-        stepType: 'elasticsearch.search.query',
         type: 'elasticsearch.search.query',
         stepId: 'testElasticsearchStep',
         stepType: 'elasticsearch.search.query',