fix(config): remove old developer configs

config/schedule/left.yml

@@ -0,0 +1,18 @@
+# Schedule left rail — the day at a glance
+- size: small
+  widgets:
+    - type: calendar
+      first-day-of-week: sunday
+    - 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