emacsPackages: remove update instructions from *-packages.nix files

They will be gathered in a more fitting documentation.

Author: AndersonTorres

pkgs/applications/editors/emacs/elisp-packages/elpa-devel-packages.nix

@@ -1,27 +1,3 @@
-/*
-
-# Updating
-
-To update the list of packages from ELPA,
-
-1. Run `./update-elpa-devel`.
-2. Check for evaluation errors:
-     # "../../../../../" points to the default.nix from root of Nixpkgs tree
-     env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate ../../../../../ -A emacs.pkgs.elpaDevelPackages
-3. Run `git commit -m "elpa-devel-packages $(date -Idate)" -- elpa-devel-generated.nix`
-
-## Update from overlay
-
-Alternatively, run the following command:
-
-./update-from-overlay
-
-It will update both melpa and elpa packages using
-https://github.com/nix-community/emacs-overlay. It's almost instantenous and
-formats commits for you.
-
-*/
-
 { lib, pkgs, buildPackages }:
 
 self: let

pkgs/applications/editors/emacs/elisp-packages/elpa-packages.nix

@@ -1,27 +1,3 @@
-/*
-
-# Updating
-
-To update the list of packages from ELPA,
-
-1. Run `./update-elpa`.
-2. Check for evaluation errors:
-     # "../../../../../" points to the default.nix from root of Nixpkgs tree
-     env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate ../../../../../ -A emacs.pkgs.elpaPackages
-3. Run `git commit -m "elpa-packages $(date -Idate)" -- elpa-generated.nix`
-
-## Update from overlay
-
-Alternatively, run the following command:
-
-./update-from-overlay
-
-It will update both melpa and elpa packages using
-https://github.com/nix-community/emacs-overlay. It's almost instantenous and
-formats commits for you.
-
-*/
-
 { lib, pkgs, buildPackages }:
 
 self: let

pkgs/applications/editors/emacs/elisp-packages/melpa-packages.nix

@@ -1,28 +1,3 @@
-/*
-
-# Updating
-
-To update the list of packages from MELPA,
-
-1. Run `./update-melpa`
-2. Check for evaluation errors:
-     # "../../../../../" points to the default.nix from root of Nixpkgs tree
-     env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../../ -A emacs.pkgs.melpaStablePackages
-     env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../../ -A emacs.pkgs.melpaPackages
-3. Run `git commit -m "melpa-packages $(date -Idate)" recipes-archive-melpa.json`
-
-## Update from overlay
-
-Alternatively, run the following command:
-
-./update-from-overlay
-
-It will update both melpa and elpa packages using
-https://github.com/nix-community/emacs-overlay. It's almost instantenous and
-formats commits for you.
-
-*/
-
 let
   # Read ./recipes-archive-melpa.json in an outer let to make sure we only do this once.
   defaultArchive = builtins.fromJSON (builtins.readFile ./recipes-archive-melpa.json);

pkgs/applications/editors/emacs/elisp-packages/nongnu-devel-packages.nix

@@ -1,15 +1,3 @@
-/*
-  # Updating
-
-  To update the list of packages from nongnu devel (ELPA),
-
-  1. Run `./update-nongnu-devel`.
-  2. Check for evaluation errors:
-       # "../../../../../" points to the default.nix from root of Nixpkgs tree
-       env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate ../../../../../ -A emacs.pkgs.nongnuDevelPackages
-  3. Run `git commit -m "nongnu-devel-packages $(date -Idate)" -- nongnu-devel-generated.nix`
-*/
-
 {
   lib,
   pkgs,

pkgs/applications/editors/emacs/elisp-packages/nongnu-packages.nix

@@ -1,17 +1,3 @@
-/*
-
-# Updating
-
-To update the list of packages from nongnu (ELPA),
-
-1. Run `./update-nongnu`.
-2. Check for evaluation errors:
-     # "../../../../../" points to the default.nix from root of Nixpkgs tree
-     env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate ../../../../../ -A emacs.pkgs.nongnuPackages
-3. Run `git commit -m "nongnu-packages $(date -Idate)" -- nongnu-generated.nix`
-
-*/
-
 { lib, pkgs, buildPackages }:
 
 self: let