Emacs/Guix: Don't dump channel specs anymore.

Guix can now generate them from an existing profile.

.emacs.d/lisp/init-guix.el

@@ -145,12 +145,6 @@ If MANIFEST is nil, it is queried from the manifests found in `ambrevar/guix-man
   (dolist (mode '(normal insert))
     (evil-global-set-key mode (kbd "C-x c g") #'ambrevar/guix-edit-manifest)))
 
-(defun ambrevar/guix-save-channel-specs (dest)
-  "Save current Guix channel specification to DEST."
-  (call-process "guix"
-                nil `(:file ,dest) nil
-                "describe" "--format=channels"))
-
 (defun ambrevar/guix-find-channel-from-manifest (pattern)
   "Return the channel specification file matching PATTERN in
 `ambrevar/guix-channel-spec-directory'."
@@ -219,15 +213,7 @@ If MANIFEST is nil, it is queried from the manifests found in `ambrevar/guix-man
                                                 "/" manifest-name)))
                                      " ")))
                                 manifests)
-                        " ; "))
-    (unless channel
-      ;; TODO: Only do this when manifest install has succeeded.
-      (dolist (manifest-pair manifests)
-        (let ((manifest-name (cl-first manifest-pair)))
-          (ambrevar/guix-save-channel-specs
-           (format "%s/guix-%s-channels.scm"
-                   ambrevar/guix-channel-spec-directory
-                   manifest-name)))))))
+                        " ; "))))
 
 (defun ambrevar/guix-install-manifest (&optional manifest channel)
   "Install Guix manifest to `ambrevar/guix-extra-profiles'.