nixos/httpd: remove unnecessary sendmail configuration

PHP now uses system-sendmail without special configuration.

Changed files
-3
nixos
modules
services
web-servers
apache-httpd
-3
nixos/modules/services/web-servers/apache-httpd/default.nix
···
services.httpd.phpOptions =
''
-
; Needed for PHP's mail() function.
-
sendmail_path = ${pkgs.system-sendmail}/bin/sendmail -t -i
-
; Don't advertise PHP
expose_php = off
'' + optionalString (config.time.timeZone != null) ''