update composer

Author: adamjimenez

composer.json

@@ -11,9 +11,6 @@
     "ext-xml": "*",
     "phpmailer/phpmailer": "^6.1"
   },
-  "require-dev": {
-    "friendsofphp/php-cs-fixer": "^2.16"
-  },
   "suggest": {
     "sendgrid/sendgrid": "Allows sending of email via sendGrid"
   },