Use deleteModelManifest com um AWS SDK

    /**
     * Deletes a model manifest.
     *
     * @param name the name of the model manifest to delete
     * @return a {@link CompletableFuture} that completes when the model manifest has been deleted
     */
    public CompletableFuture<Void> deleteModelManifestAsync(String name) {
        DeleteModelManifestRequest request = DeleteModelManifestRequest.builder()
                .name(name)
                .build();

        return getAsyncClient().deleteModelManifest(request)
                .handle((response, exception) -> {
                    if (exception != null) {
                        Throwable cause = exception.getCause() != null ? exception.getCause() : exception;
                        if (cause instanceof ResourceNotFoundException) {
                            throw (ResourceNotFoundException) cause;
                        }
                        throw new RuntimeException("Failed to delete the model manifest: " + cause);
                    }
                    logger.info("{} was successfully deleted", name);
                    return null;
                });
    }

/**
 * Deletes a model manifest.
 *
 * @param nameVal the name of the model manifest to delete
 */
suspend fun deleteModelManifest(nameVal: String) {
    val request = DeleteModelManifestRequest {
        name = nameVal
    }
    IotFleetWiseClient { region = "us-east-1" }.use { fleetwiseClient ->
        fleetwiseClient.deleteModelManifest(request)
        println(" $nameVal was successfully deleted")
    }
}