Revert "Enable Codex to run in WSL for ChatGPT"

This reverts commit 362285401d.

settings.json

@@ -53,7 +53,6 @@
   },
   "chat.mcp.gallery.enabled": true,
   "chat.tools.global.autoApprove": true,
-  "chatgpt.runCodexInWindowsSubsystemForLinux": true,
   "debug.onTaskErrors": "showErrors",
   "diffEditor.maxComputationTime": 0,
   "dotnetAcquisitionExtension.enableTelemetry": false,