Hero: drop 'GRIN ツ' kicker tag and the confidential-cash clause

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

index.html

@@ -36,12 +36,11 @@
   <main>
     <section class="hero">
       <div>
-        <span class="kicker">Free &amp; open source · GRIN ツ</span>
+        <span class="kicker">Free &amp; open source</span>
         <h1>Send grin like <span class="strike">a&nbsp;text.</span></h1>
         <p class="lede">
           Goblin is a private wallet for
-          <strong>GRIN</strong> — confidential digital cash with no amounts or
-          addresses on the chain. Pay a <span class="at">username</span> and the payment is
+          <strong>GRIN</strong>. Pay a <span class="at">username</span> and the payment is
           delivered as an end-to-end encrypted message over <strong>nostr</strong>, through
           the <strong>Nym mixnet</strong>. No files to swap. No need to both be online.
         </p>