npm/images: Drop this.

This was consumed only by Pybricks Code, which now just vendors them in.

.github/workflows/publish-images.yml

@@ -1,23 +0,0 @@
-name: Release @pybricks/images
-
-on:
-  push:
-    tags: 
-    - '@pybricks/images/**'
-
-jobs:
-  publish_ide_docs:
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@v6
-    # Setup .npmrc file to publish to npm
-    - uses: actions/setup-node@v4
-      with:
-        node-version: '22.x'
-        registry-url: 'https://registry.npmjs.org'
-    - run: ./build.py
-      working-directory: npm/images
-    - run: yarn publish
-      working-directory: npm/images/build
-      env:
-        NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}