Remove (cl-lib "0.5") from Package-Requires header

Now this is warned by package-lint.

Author: zonuexe

php-mode-debug.el

@@ -6,7 +6,7 @@
 ;; URL: https://github.com/emacs-php/php-mode
 ;; Keywords: maint
 ;; Version: 1.21.4
-;; Package-Requires: ((emacs "24.3") (cl-lib "0.5"))
+;; Package-Requires: ((emacs "24.3"))
 ;; License: GPL-3.0-or-later
 
 ;; This program is free software; you can redistribute it and/or modify

php-mode.el

@@ -10,7 +10,7 @@
 ;; URL: https://github.com/emacs-php/php-mode
 ;; Keywords: languages php
 ;; Version: 1.21.4
-;; Package-Requires: ((emacs "24.3") (cl-lib "0.5"))
+;; Package-Requires: ((emacs "24.3"))
 ;; License: GPL-3.0-or-later
 
 (defconst php-mode-version-number "1.21.4"

php-project.el

@@ -6,7 +6,7 @@
 ;; Keywords: tools, files
 ;; URL: https://github.com/emacs-php/php-mode
 ;; Version: 1.21.4
-;; Package-Requires: ((emacs "24.3") (cl-lib "0.5"))
+;; Package-Requires: ((emacs "24.3"))
 ;; License: GPL-3.0-or-later
 
 ;; This program is free software; you can redistribute it and/or modify

php.el

@@ -7,7 +7,7 @@
 ;; Version: 1.21.4
 ;; Keywords: languages, php
 ;; Homepage: https://github.com/emacs-php/php-mode
-;; Package-Requires: ((emacs "24.3") (cl-lib "0.5"))
+;; Package-Requires: ((emacs "24.3"))
 ;; License: GPL-3.0-or-later
 
 ;; This program is free software; you can redistribute it and/or modify