lib: move DEP0006 to end of life

doc/api/deprecations.md

@@ -160,6 +160,9 @@ outside `node_modules` in order to better target developers, rather than users.
 ### DEP0006: child\_process options.customFds
 <!-- YAML
 changes:
+ - version: REPLACEME
+ pr-url: https://github.com/nodejs/node/pull/25279
+ description: End-of-Life.
  - version:
  - v4.8.6
  - v6.12.0
@@ -171,7 +174,7 @@ changes:
  description: Documentation-only deprecation.
 -->
 
-Type: Runtime
+Type: End-of-Life
 
 Within the [`child_process`][] module's `spawn()`, `fork()`, and `exec()`
 methods, the `options.customFds` option is deprecated. The `options.stdio`

lib/child_process.js

@@ -22,9 +22,7 @@
 'use strict';
 
 const util = require('util');
-const {
- deprecate, convertToValidSignal, getSystemErrorName
-} = require('internal/util');
+const { convertToValidSignal, getSystemErrorName } = require('internal/util');
 const { isArrayBufferView } = require('internal/util/types');
 const debug = util.debuglog('child_process');
 const { Buffer } = require('buffer');
@@ -384,20 +382,6 @@ Object.defineProperty(exports.execFile, util.promisify.custom, {
  value: customPromiseExecFunction(exports.execFile)
 });
 
-const _deprecatedCustomFds = deprecate(
- function deprecateCustomFds(options) {
- options.stdio = options.customFds.map(function mapCustomFds(fd) {
- return fd === -1 ? 'pipe' : fd;
- });
- }, 'child_process: options.customFds option is deprecated. ' +
- 'Use options.stdio instead.', 'DEP0006');
-
-function _convertCustomFds(options) {
- if (options.customFds && !options.stdio) {
- _deprecatedCustomFds(options);
- }
-}
-
 function normalizeSpawnArguments(file, args, options) {
  validateString(file, 'file');
 
@@ -526,8 +510,6 @@ function normalizeSpawnArguments(file, args, options) {
  }
  }
 
- _convertCustomFds(options);
-
  return {
  file: file,
  args: args,