Merge pull request #4084 from laravel/mail

[5.4] Remove the "mail" driver as recommended, and add "array"

config/mail.php

@@ -11,8 +11,8 @@ return [
     | sending of e-mail. You may specify which one you're using throughout
     | your application here. By default, Laravel is setup for SMTP mail.
     |
-    | Supported: "smtp", "mail", "sendmail", "mailgun", "mandrill",
-    |            "ses", "sparkpost", "log"
+    | Supported: "smtp", "sendmail", "mailgun", "mandrill", "ses",
+    |            "sparkpost", "log", "array"
     |
     */