docs: remove 'Live on Base Mainnet' hero badge

Author: Sentinel-Bluebuilder

docs/index.html

@@ -1629,11 +1629,6 @@
 <!-- ─── Hero ─── -->
 <section class="hero">
   <div class="container">
-    <div class="protocol-badge fade-in">
-      <img src="assets/sentinel-shield.svg" alt="" style="width:16px;height:16px;object-fit:contain;display:inline-block;vertical-align:middle;filter:drop-shadow(0 0 4px rgba(30,136,229,0.5));">
-
-      Live on Base Mainnet
-    </div>
     <h1 class="fade-in">Private internet<br>for <span class="highlight">AI agents</span><span class="caret"></span></h1>
     <p class="subtitle fade-in">AI agents pay USDC on Base over HTTP 402 and get private VPN access through Sentinel's decentralized node network. One request, one signature, connected. No KYC. No accounts. Everything on-chain.</p>