emacs-xyz: Update emacs-org-roam-ui to latest master commit

* rekahsoft-gnu/packages/emacs-xyz.scm (emacs-org-roam-extensions): Removed
variable. This package is no longer necessary as of
https://issues.guix.gnu.org/50287

rekahsoft-gnu/packages/emacs-xyz.scm

@@ -537,27 +537,8 @@ See perspective.el on github: https://github.com/nex3/perspective-el
        "Easily add and remove multiple cursors using ace jump mode.")
       (license license:gpl3+))))
 
-(define-public emacs-org-roam-extensions
-  (package
-    (inherit emacs-org-roam)
-    (name "emacs-org-roam-extensions")
-    (propagated-inputs
-     `(,@(package-propagated-inputs emacs-org-roam)
-       ("emacs-org-roam" ,emacs-org-roam)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'enter-subdirectory
-           (lambda _ (chdir "extensions") #t))
-         (add-before 'install-license-files 'leave-subdirectory
-           (lambda _ (chdir "..") #t)))))
-    (synopsis "Extensions for Org-Roam")
-    (description "Emacs Org Roam Extensions include utilities for daily note
-taking, the org-roam protocol, graphing note relationships and providing id link
-overlays.")))
-
 (define-public emacs-org-roam-ui
-  (let ((commit "309fe3c58c7081de4e2c9c64f7b40ea291926048")
+  (let ((commit "9474a254390b1e42488a1801fed5826b32a8030b")
         (revision "3"))
     (package
       (name "emacs-org-roam-ui")
@@ -570,7 +551,7 @@ overlays.")))
                 (file-name (git-file-name name version))
                 (sha256
                  (base32
-                  "14qgr3jwn42a8wy07g03j55j5shnvv52ma2wq1zf34dag7d4fghw"))))
+                  "0v54vxh95izch74wz2dl2dkdqicbvshra55l6qvd4xl5qmfhpjdc"))))
       (build-system emacs-build-system)
       (inputs `(("emacs" ,emacs)))
       (propagated-inputs