Remove doom emacs custom.el from home config

Certain emacs commands update this file which is not possible when it's
a symling to the read-only file in the gnu store.

dotfiles/emacs/.config/doom/custom.el

@@ -1,64 +0,0 @@
-(custom-set-variables
- ;; custom-set-variables was added by Custom.
- ;; If you edit it by hand, you could mess it up, so be careful.
- ;; Your init file should contain only one such instance.
- ;; If there is more than one, they won't work right.
- '(denote-directory "/home/ray/Workspace/personal/notes")
- '(safe-local-variable-values
-   '((eval progn
-      (require 'lisp-mode)
-      (defun emacs27-lisp-fill-paragraph
-          (&optional justify)
-        (interactive "P")
-        (or
-         (fill-comment-paragraph justify)
-         (let
-             ((paragraph-start
-               (concat paragraph-start "\\|\\s-*\\([(;\"]\\|\\s-:\\|`(\\|#'(\\)"))
-              (paragraph-separate
-               (concat paragraph-separate "\\|\\s-*\".*[,\\.]$"))
-              (fill-column
-               (if
-                   (and
-                    (integerp emacs-lisp-docstring-fill-column)
-                    (derived-mode-p 'emacs-lisp-mode))
-                   emacs-lisp-docstring-fill-column fill-column)))
-           (fill-paragraph justify))
-         t))
-      (setq-local fill-paragraph-function #'emacs27-lisp-fill-paragraph))
-     (eval modify-syntax-entry 43 "'")
-     (eval modify-syntax-entry 36 "'")
-     (eval modify-syntax-entry 126 "'")
-     (geiser-repl-per-project-p . t)
-     (eval with-eval-after-load 'yasnippet
-      (let
-          ((guix-yasnippets
-            (expand-file-name "etc/snippets/yas"
-                              (locate-dominating-file default-directory ".dir-locals.el"))))
-        (unless
-            (member guix-yasnippets yas-snippet-dirs)
-          (add-to-list 'yas-snippet-dirs guix-yasnippets)
-          (yas-reload-all))))
-     (eval with-eval-after-load 'tempel
-      (if
-          (stringp tempel-path)
-          (setq tempel-path
-                (list tempel-path)))
-      (let
-          ((guix-tempel-snippets
-            (concat
-             (expand-file-name "etc/snippets/tempel"
-                               (locate-dominating-file default-directory ".dir-locals.el"))
-             "/*.eld")))
-        (unless
-            (member guix-tempel-snippets tempel-path)
-          (add-to-list 'tempel-path guix-tempel-snippets))))
-     (eval setq-local guix-directory
-      (locate-dominating-file default-directory ".dir-locals.el"))
-     (eval add-to-list 'completion-ignored-extensions ".go"))))
-(custom-set-faces
- ;; custom-set-faces was added by Custom.
- ;; If you edit it by hand, you could mess it up, so be careful.
- ;; Your init file should contain only one such instance.
- ;; If there is more than one, they won't work right.
- )