feat: Remove org-roam-ui

Not using it, so don't have it.

config.org

@@ -917,27 +917,6 @@ Preserve indentation in SRC blocks
 )
 #+END_SRC
 
-*** UI
-
-#+BEGIN_SRC emacs-lisp
-(use-package org-roam-ui
-  :ensure
-    (:host github :repo "org-roam/org-roam-ui" :branch "main" :files ("*.el" "out"))
-    :after org-roam
-;;         normally we'd recommend hooking orui after org-roam, but since org-roam does not have
-;;         a hookable mode anymore, you're advised to pick something yourself
-;;         if you don't care about startup time, use
-;;  :hook (after-init . org-roam-ui-mode)
-    :config
-    (setq org-roam-ui-sync-theme t
-          org-roam-ui-follow t
-          org-roam-ui-update-on-save t
-          org-roam-ui-open-on-start t)
-    ;; Start UI
-    ;; (org-roam-ui-mode)
-    )
-#+END_SRC
-
 *** Consult
 
 #+BEGIN_SRC emacs-lisp