Update TODO

TODO.txt

@@ -6,11 +6,4 @@
     - https://blog.cloudflare.com/using-the-cloudflare-api-to-report-spam-on-yo/
 - Make Kudos form a separate block
 - Integrate diagnostics with Site Health
-    - https://kinsta.com/blog/wordpress-5-8/#block-api-enhancements
-
-- Deprecated settings
-    - _kudos_return_message_enable
-    - _kudos_custom_return_enable
-
-- Remove files
-    - CustomReturnPanel.jsx
\ No newline at end of file
+    - https://kinsta.com/blog/wordpress-5-8/#block-api-enhancements
\ No newline at end of file