vc-git-root: Remove unnecessary caching

* lisp/vc/vc-git.el (vc-git-root): Simplify (bug#42966).

diff --git a/lisp/vc/vc-git.el b/lisp/vc/vc-git.el
index b1880c0f7b0c88c14a9ff09d9804dad1f8e923ce..91554bb6d835cbeac8ee4142a12e88eb3df58e94 100644 (file)
--- a/lisp/vc/vc-git.el
+++ b/lisp/vc/vc-git.el
@@ -1573,8 +1573,7 @@ This requires git 1.8.4 or later, for the \"-L\" option of \"git log\"."
 (defun vc-git-extra-status-menu () vc-git-extra-menu-map)
 
 (defun vc-git-root (file)
-  (or (vc-file-getprop file 'git-root)
-      (vc-file-setprop file 'git-root (vc-find-root file ".git"))))
+  (vc-find-root file ".git"))
 
 ;; grep-compute-defaults autoloads grep.
 (declare-function grep-read-regexp "grep" ())