fix(config): remove old developer configs

config/technology/right.yml

@@ -0,0 +1,16 @@
+# Technology right rail — self-hosting board + futurism deep dives
+- size: small
+  widgets:
+    - type: reddit
+      subreddit: selfhosted
+      limit: 7
+      style: vertical-cards
+    - type: videos
+      style: vertical-list
+      collapse-after: 4
+      title: Futurism
+      channels:
+        - UCawZsQWqfGSbCI5yjkdVkTA # Matthew Berman
+        - UCZFipeZtQM5CKUjx6grh54g # Isaac Arthur
+        - UCR9sFzaG9Ia_kXJhfxtFMB # melodysheep
+        - UCSeuZvDGosq1zC6NqgqGo-Q # merlin