Config: fix org heading display issue with my-base16-dark theme

custom.el

@@ -4,9 +4,7 @@
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
- '(org-agenda-files
-   '("d:/emacs/org/learning-org-mode.org"
-     "d:/emacs/hugo/this-is-my-blog/all-blog.org"))
+ '(org-agenda-files nil)
  '(package-selected-packages
    '(ace-window benchmark-init cape cnfonts corfu crux drag-stuff eglot
 		embark-consult everything exec-path-form-shell gcmh