Remove postCreate

Author: danhalson

.devcontainer/devcontainer.json

@@ -39,7 +39,7 @@
   "shutdownAction": "none",
 
   // Uncomment the next line to run commands after the container is created.
-  "postCreateCommand": "code --install-extension GitHub.copilot-chat --force",
+  // "postCreateCommand": "",
 
   // Configure tool-specific properties.
   "customizations": {