chore(images): remove Node.js image now handled by features

[iplaylf2]

Summary by CodeRabbit

• Chores
  • Simplified the Node.js development container configuration by removing setup steps.

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📝 Walkthrough

Walkthrough

The Dockerfile for Node.js in the images directory has been completely cleared of its contents, removing base image configuration, user specification, fnm installation logic, and SDK version setup.

Changes

Cohort / File(s)	Summary
Node.js Dockerfile cleanup images/nodejs/Dockerfile	Removed all 8 lines of content including base image declaration (mcr.microsoft.com/devcontainers/base), vscode user configuration, fnm installation via curl, and conditional SDK version installation logic.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• PR #4: Directly reverses the nodejs Dockerfile content from a prior change, removing the same fnm and SDK installation logic.
• PR #6: Addresses fnm installation management by extracting it from the Dockerfile into a dedicated devcontainer feature with separate install.sh script.

🚥 Pre-merge checks | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The PR description is the default template content and lacks substantive details about the changes being made.	Replace the template boilerplate with a meaningful description explaining why the Node.js image is being removed, what features now handle its functionality, and any migration notes for users.

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