Use DeleteMatchingWorkflow com um AWS SDK

    /**
     * Asynchronously deletes a workflow with the specified name.
     *
     * @param workflowName the name of the workflow to be deleted
     * @return a {@link CompletableFuture} that completes when the workflow has been deleted
     * @throws RuntimeException if the deletion of the workflow fails
     */
    public CompletableFuture<DeleteMatchingWorkflowResponse> deleteMatchingWorkflowAsync(String workflowName) {
        DeleteMatchingWorkflowRequest request = DeleteMatchingWorkflowRequest.builder()
            .workflowName(workflowName)
            .build();

        return getResolutionAsyncClient().deleteMatchingWorkflow(request)
            .whenComplete((response, exception) -> {
                if (response != null) {
                    logger.info("{} was deleted", workflowName );
                } else {
                    if (exception == null) {
                        throw new CompletionException("An unknown error occurred while deleting the workflow.", null);
                    }

                    Throwable cause = exception.getCause();
                    if (cause instanceof ResourceNotFoundException) {
                        throw new CompletionException("The workflow to delete was not found.", cause);
                    }

                    // Wrap other AWS exceptions in a CompletionException.
                    throw new CompletionException("Failed to delete workflow: " + exception.getMessage(), exception);
                }
            });
    }

//The default inputs for this demo are read from the ../inputs.json.

import { fileURLToPath } from "node:url";

import {
  DeleteMatchingWorkflowCommand,
  EntityResolutionClient,
} from "@aws-sdk/client-entityresolution";
import data from "../inputs.json" with { type: "json" };

const region = "eu-west-1";
const erClient = new EntityResolutionClient({ region: region });

export const main = async () => {
  try {
    const deleteWorkflowParams = {
      workflowName: `${data.inputs.workflowName}`,
    };
    const command = new DeleteMatchingWorkflowCommand(deleteWorkflowParams);
    const response = await erClient.send(command);
    console.log("Workflow deleted successfully!", response);
  } catch (error) {
    console.log("error ", error);
  }
};