Remove the explanatory paragraph below the plot

Drop the footer note and its unused CSS; the plot stands on its own in the
blog that provides the surrounding context.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

index.html

@@ -96,11 +96,6 @@
   .legend .swatch-line { width: 18px; height: 0; border-top: 1.75px solid var(--accent); }
   .legend .legend-hint { color: var(--muted-4); margin-left: auto; }
 
-  footer {
-    margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--border-soft);
-    font-size: 11px; color: var(--muted-3); line-height: 1.6;
-  }
-  footer a { color: var(--muted-2); }
 
   /* ── Interactive point card ── */
   .point-card {
@@ -199,13 +194,6 @@
     <span><i class="dia"></i> verified by maintainers</span>
     <span class="legend-hint">scroll to zoom · drag to pan · hover a point for details</span>
   </div>
-
-  <footer>
-    A standalone, frozen snapshot of the
-    <a href="https://gemma-challenge-gemma-dashboard.hf.space" target="_blank" rel="noopener noreferrer">Fast Gemma Challenge</a>
-    score evolution. Scores are tokens/second (higher is better); perplexity (PPL) is the quality guardrail.
-    The running-best line tracks the all-time record over time. Data is not live — it reflects the bucket at the snapshot time shown above.
-  </footer>
 </div>
 
 <div class="point-card" id="pointCard" aria-hidden="true"></div>