rosenthal: Remove linux-xanmod.

* rosenthal/packages/linux.scm (%default-extra-linux-options,config->string)
(make-linux-xanmod-source,make-linux-xanmod,linux-xanmod-version)
(linux-xanmod-revision,linux-xanmod-source,linux-xanmod): Delete variables.
* README.org: Adjusted accordingly.

README.org

@@ -111,7 +111,7 @@ Rosenthal 頻道定義如下，將其加入 =~/.config/guix/channels.scm= 以由
 + emacs-wakatime-mode
 + grimblast
 + hyprland
-+ linux-xanmod
++ qbittorrent-enhanced
 + qogir-icon-theme
 
 *** Services / 服務

rosenthal/packages/linux.scm

@@ -27,94 +27,3 @@
   #:use-module (gnu packages python)
   #:use-module (gnu packages rsync)
   #:use-module (gnu packages tls))
-
-(define %default-extra-linux-options
-  (@@ (gnu packages linux) %default-extra-linux-options))
-
-(define config->string
-  (@@ (gnu packages linux) config->string))
-
-
-;;;
-;;; Linux-XanMod
-;;;
-
-(define (make-linux-xanmod-source version xanmod-revision hash-string)
-  (origin
-    (method url-fetch)
-    (uri (string-append "https://gitlab.com/xanmod/linux/-/archive/"
-                        version "-" xanmod-revision ".tar.bz2"))
-    (sha256 hash-string)))
-
-(define* (make-linux-xanmod version xanmod-revision source
-                            #:key
-                            (name "linux-xanmod")
-                            (xanmod-defconfig "config_x86-64-v1"))
-  (let ((defconfig xanmod-defconfig)    ;to be used in phases.
-        (base (customize-linux #:name name
-                               #:source source
-                               #:defconfig xanmod-defconfig
-                               ;; EXTRAVERSION is used instead.
-                               #:configs (config->string
-                                          '(("CONFIG_LOCALVERSION" . "")))
-                               #:extra-version xanmod-revision)))
-    (package
-      (inherit base)
-      (version version)
-      (arguments
-       (substitute-keyword-arguments (package-arguments base)
-         ((#:phases phases)
-          #~(modify-phases #$phases
-              ;; EXTRAVERSION is used instead.
-              (add-after 'unpack 'remove-localversion
-                (lambda _
-                  (when (file-exists? "localversion")
-                    (delete-file "localversion"))))
-              (add-before 'configure 'add-xanmod-defconfig
-                (lambda _
-                  (rename-file
-                   (string-append "CONFIGS/xanmod/gcc/" #$defconfig)
-                   ".config")
-
-                  ;; Adapted from `make-linux-libre*'.
-                  (chmod ".config" #o666)
-                  (let ((port (open-file ".config" "a"))
-                        (extra-configuration
-                         #$(config->string
-                            ;; FIXME: There might be other support missing.
-                            (append '(("CONFIG_BLK_DEV_NVME" . #t)
-                                      ("CONFIG_CRYPTO_XTS" . m)
-                                      ("CONFIG_VIRTIO_CONSOLE" . m))
-                                    %default-extra-linux-options))))
-                    (display extra-configuration port)
-                    (close-port port))
-                  (invoke "make" "oldconfig")
-
-                  (rename-file
-                   ".config"
-                   (string-append "arch/x86/configs/" #$defconfig))))))))
-      (native-inputs
-       (modify-inputs (package-native-inputs base)
-         ;; cpio is needed for CONFIG_IKHEADERS.
-         (append cpio zstd)))
-      (home-page "https://xanmod.org/")
-      (supported-systems '("x86_64-linux"))
-      (synopsis
-       "Linux kernel distribution with custom settings and new features")
-      (description
-       "This package provides XanMod kernel, a general-purpose Linux kernel
-distribution with custom settings and new features.  It's built to provide a
-stable, responsive and smooth desktop experience."))))
-
-(define linux-xanmod-version "6.3.10")
-(define linux-xanmod-revision "xanmod1")
-(define linux-xanmod-source
-  (make-linux-xanmod-source
-   linux-xanmod-version
-   linux-xanmod-revision
-   (base32 "0gnbr37cxrhw4q6bydw8xza31sgj04hj0qxlva1gycw064p7fcxc")))
-
-(define-public linux-xanmod
-  (make-linux-xanmod linux-xanmod-version
-                     linux-xanmod-revision
-                     linux-xanmod-source))