Revert "gnu: patchelf: Update argument phase."

It causes too many rebuilds this late in the 'staging' cycle.

This reverts commit c1d1cd817c.

gnu/packages/elf.scm

@@ -128,12 +128,14 @@ Executable and Linkable Format (@dfn{ELF}).  This includes @command{ld},
          '()))
     (arguments
      (if (target-arm32?)
-         `(#:phases
-           (modify-phases %standard-phases
-             (add-after 'unpack 'patch/rework-for-arm
+         `(#:phases (alist-cons-after
+                     'unpack 'patch/rework-for-arm
                      (lambda* (#:key inputs #:allow-other-keys)
-                 (let ((patch-file (assoc-ref inputs "patch/rework-for-arm")))
-                   (invoke "patch" "--force" "-p1" "--input" patch-file))))))
+                       (let ((patch-file
+                              (assoc-ref inputs "patch/rework-for-arm")))
+                         (zero? (system* "patch" "--force" "-p1"
+                                         "--input" patch-file))))
+                     %standard-phases))
          '()))
 
     (home-page "https://nixos.org/patchelf.html")