fix(config): remove old developer configs

config/headlines/header.yml

@@ -0,0 +1,21 @@
+# Masthead + markets ticker — the newspaper banner
+- type: html
+  source: |
+    <div class="masthead">
+      <div class="masthead-rule"></div>
+      <div class="masthead-title">The Daily Glance</div>
+      <div class="masthead-sub">Tech · Markets · Crypto</div>
+      <div class="masthead-rule"></div>
+    </div>
+
+- type: markets
+  hide-header: true
+  markets:
+    - symbol: BTC-USD
+      name: Bitcoin
+    - symbol: ETH-USD
+      name: Ethereum
+    - symbol: MAGS
+      name: Mag7
+    - symbol: QQQ
+      name: Nasdaq