fix(config): remove old developer configs

config/headlines/left.yml

@@ -0,0 +1,23 @@
+# Headlines left rail — weather, clocks, deals wire
+- size: small
+  widgets:
+    - type: weather
+      location: Ashburn, Virginia, United States
+      units: imperial
+      hour-format: 12h
+    - type: clock
+      hour-format: 12h
+      timezones:
+        - timezone: America/Los_Angeles
+          label: Los Angeles
+        - timezone: Asia/Singapore
+          label: Singapore
+        - timezone: Europe/London
+          label: London
+    - type: rss
+      title: Deals
+      limit: 10
+      collapse-after: 3
+      feeds:
+        - url: https://rss.app/feeds/rb0smDdeyhIkusel.xml
+          title: Crypto Fundraising