refactor(php): remove php-cs-fixer

This removes the php-cs-fixer.el package. This is not a breaking change
because the package hasn't been this module's default formatter since
4ecd616. It has since been replaced by phpcbf (provided by
squizlabs/php_codesniffer).

Amend: 4ecd616cd8

modules/lang/php/README.org

@@ -41,7 +41,6 @@ This module adds support for PHP 5.3+ (including PHP8) to Doom Emacs.
 - [[doom-package:async]]
 - [[doom-package:hack-mode]] if [[doom-module:+hack]]
 - [[doom-package:psysh]]
-- [[doom-package:php-cs-fixer]] if [[doom-package::editor format]]
 - [[doom-package:php-extras]]
 - [[doom-package:php-mode]]
 - [[doom-package:php-refactor-mode]]
@@ -121,7 +120,7 @@ The others have to be installed manually and added to your =$PATH=.
 - ~pysh~ (REPL)
 - ~phpctags~ (better code completion)
 - ~phpunit~ (unit test commands)
-- ~php-cs-fixer~ and ~@prettier/plugin-php~ (for code formatting)
+- ~phpcbf~, provided by ~squizlabs/php_codesniffer~ (for code formatting)
 + ~phpactor~ (for LSP if intelephense isn't desired)
 
 #+begin_src sh
@@ -129,12 +128,8 @@ composer global require \
     psy/psysh \
     phpunit/phpunit \
     techlivezheng/phpctags \
-    friendsofphp/php-cs-fixer \
+    squizlabs/php_codesniffer \
     phpactor/phpactor
-
-# Needed by php-cs-fixer, otherwise you'll get "Couldn't resolve parser
-# 'php'" errors
-npm install -g @prettier/plugin-php
 #+end_src
 
 You must ensure that =$HOME/.composer/vendor/bin= is in =$PATH=, so these

modules/lang/php/packages.el

@@ -20,8 +20,5 @@
   (when (modulep! :completion company)
     (package! company-phpactor :pin "6b5269ff82785a9bd1e648b2f91e5128353d5a67")))
 
-(when (modulep! :editor format)
-  (package! php-cs-fixer :pin "efe4368d891f1eec6311363cfd6be3e9eadb5e0a"))
-
 ;; For building php-extras
 (package! async :pin "cff2bd0be3c78a2eb76717eed60302972fe9b8c5")