gnu: emacs-minimal: Use G-Expressions in arguments.

This is a follow-up to commit 64557bc695.
The use of G-Expressions in emacs' arguments wasn't reflected in
emacs-minimal, causing builds to fail as reported in
<https://issues.guix.gnu.org/issue/55415>.

* gnu/packages/emacs.scm (emacs-minimal)[arguments]: Convert to list of
G-Expessions.

gnu/packages/emacs.scm

@@ -369,9 +369,9 @@ GTK and also enables xwidgets.")))
     (arguments
      (substitute-keyword-arguments (package-arguments emacs)
        ((#:configure-flags flags ''())
-        `(list "--with-gnutls=no" "--disable-build-details"))
+        #~(list "--with-gnutls=no" "--disable-build-details"))
        ((#:phases phases)
-        `(modify-phases ,phases
+        #~(modify-phases #$phases
             (delete 'restore-emacs-pdmp)
             (delete 'strip-double-wrap)))))
     (inputs