lib: remove debugger dead code

PR-URL: #18426
Refs: 719247f
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Franziska Hinkelmann <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Eugene Ostroukhov <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Jon Moss <[email protected]>
Reviewed-By: Anatoli Papirovski <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>

Author: liqyan

lib/internal/bootstrap_node.js

@@ -61,11 +61,7 @@
     NativeModule.require('internal/trace_events_async_hooks').setup();
     NativeModule.require('internal/inspector_async_hook').setup();
 
-    // Do not initialize channel in debugger agent, it deletes env variable
-    // and the main thread won't see it.
-    if (process.argv[1] !== '--debug-agent')
-      _process.setupChannel();
-
+    _process.setupChannel();
     _process.setupRawDebug();
 
     const browserGlobals = !process._noBrowserGlobals;