gnu: Remove sections from emacs-xyz module.

These sections no longer correspond to the Emacs packages they list.

Change-Id: I1262c5770b626093f855447bcb2239a6758889de

gnu/packages/emacs-xyz.scm

@@ -290,10 +290,6 @@
   #:use-module (srfi srfi-1)
   #:use-module (ice-9 match))
 
-;;;
-;;; Emacs hacking.
-;;;
-
 (define-public emacs-0x0
   (let ((commit "04f95142b25d8bb701f239539176df6617dcd982")
         (revision "0"))
@@ -3540,11 +3536,6 @@ or unexpected behavior inside an elisp configuration file (typically
 @file{init.el} or @file{.emacs}).")
       (license license:gpl3+))))
 
-
-;;;
-;;; Web browsing.
-;;;
-
 (define-public emacs-w3m
   ;; Emacs-w3m follows a "rolling release" model.
   (package
@@ -3697,11 +3688,6 @@ to prevent advertisers from tracking you when you open URLs (or listen to
 podcasts) in Emacs.")
       (license (list license:gpl3+)))))
 
-
-;;;
-;;; Multimedia.
-;;;
-
 (define emacs-emms-print-metadata
   (package
     (name "emacs-emms-print-metadata")
@@ -3931,11 +3917,6 @@ toggle custom-defined channels.  An external media player like mpv or VLC is
 required.")
       (license license:gpl3+))))
 
-
-;;;
-;;; Miscellaneous.
-;;;
-
 (define-public emacs-ace-link
   (package
     (name "emacs-ace-link")