Remove Quartz caching, rebuild every time

Simpler is better - just clone and npm ci on each build.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.forgejo/workflows/build-blumeops.yaml

@@ -40,20 +40,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # Cache Quartz installation (clone + node_modules)
-      # Quartz version is determined by the mirror (forge.ops.eblu.me/eblume/quartz)
-      # Bump the cache key number to invalidate (e.g., after mirror update)
-      - name: Restore Quartz cache
-        id: cache-quartz
-        uses: actions/cache@v4
-        with:
-          path: /tmp/quartz
-          key: quartz-1
-
-      - name: Setup Quartz
-        if: steps.cache-quartz.outputs.cache-hit != 'true'
+      - name: Build docs
         run: |
-          echo "Cache miss - setting up Quartz..."
+          VERSION="${{ inputs.version }}"
           echo "Node version: $(node --version)"
           echo "NPM version: $(npm --version)"
 
@@ -64,13 +53,6 @@ jobs:
           # Install dependencies
           npm ci
 
-          echo "Quartz setup complete"
-
-      - name: Build docs
-        run: |
-          VERSION="${{ inputs.version }}"
-          cd /tmp/quartz
-
           # Copy our configuration (lives in docs/ to keep repo root clean)
           cp "$GITHUB_WORKSPACE/docs/quartz.config.ts" .
           cp "$GITHUB_WORKSPACE/docs/quartz.layout.ts" .