Remove tx factory (#5890)

* Remove tx factory files.

* Remove unused imports.

* Revert cargo lock.

substrate/bin/node/cli/tests/factory.rs

@@ -1,40 +0,0 @@
-// Copyright 2020 Parity Technologies (UK) Ltd.
-// This file is part of Substrate.
-
-// Substrate is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-// Substrate is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License
-// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
-
-#![cfg(unix)]
-
-use assert_cmd::cargo::cargo_bin;
-use std::process::{Command, Stdio};
-use tempfile::tempdir;
-
-mod common;
-
-#[test]
-fn factory_works() {
-	let base_path = tempdir().expect("could not create a temp dir");
-
-	let status = Command::new(cargo_bin("substrate"))
-		.stdout(Stdio::null())
-		.args(&["factory", "--dev", "-d"])
-		.arg(base_path.path())
-		.status()
-		.unwrap();
-	assert!(status.success());
-
-	// Make sure that the `dev` chain folder exists & `db`
-	assert!(base_path.path().join("chains/dev/").exists());
-	assert!(base_path.path().join("chains/dev/db").exists());
-}