tls: remove unused arg to createSecureContext()

The context arg is unused by node or its test suites and undocumented.
Remove it.

PR-URL: #24241
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

lib/_tls_common.js

@@ -35,22 +35,13 @@ const { SSL_OP_CIPHER_SERVER_PREFERENCE } = internalBinding('constants').crypto;
 let toBuf = null;
 
 const { SecureContext: NativeSecureContext } = internalBinding('crypto');
-function SecureContext(secureProtocol, secureOptions, context) {
+function SecureContext(secureProtocol, secureOptions) {
  if (!(this instanceof SecureContext)) {
- return new SecureContext(secureProtocol, secureOptions, context);
+ return new SecureContext(secureProtocol, secureOptions);
  }
 
- if (context) {
- this.context = context;
- } else {
- this.context = new NativeSecureContext();
-
- if (secureProtocol) {
- this.context.init(secureProtocol);
- } else {
- this.context.init();
- }
- }
+ this.context = new NativeSecureContext();
+ this.context.init(secureProtocol);
 
  if (secureOptions) this.context.setOptions(secureOptions);
 }
@@ -68,19 +59,17 @@ function validateKeyCert(name, value) {
 exports.SecureContext = SecureContext;
 
 
-exports.createSecureContext = function createSecureContext(options, context) {
+exports.createSecureContext = function createSecureContext(options) {
  if (!options) options = {};
 
  var secureOptions = options.secureOptions;
  if (options.honorCipherOrder)
  secureOptions |= SSL_OP_CIPHER_SERVER_PREFERENCE;
 
- const c = new SecureContext(options.secureProtocol, secureOptions, context);
+ const c = new SecureContext(options.secureProtocol, secureOptions);
  var i;
  var val;
 
- if (context) return c;
-
  // NOTE: It's important to add CA before the cert to be able to load
  // cert's issuer in C++ code.
  const { ca } = options;