[redirects-web] Drop ProxyPreserveHost

[Andrea Veri <averi src gnome org>]

commit 111ba4e0ef5a1ed8e721a7a30abe182e06d2e313
Author: Andrea Veri <averi redhat com>
Date:   Wed Feb 19 15:21:44 2020 +0100

    Drop ProxyPreserveHost

 app_data/httpd-cfg/gtk.org.conf | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/app_data/httpd-cfg/gtk.org.conf b/app_data/httpd-cfg/gtk.org.conf
index 9f496cf..2e7606b 100644
--- a/app_data/httpd-cfg/gtk.org.conf
+++ b/app_data/httpd-cfg/gtk.org.conf
@@ -7,7 +7,6 @@
     SSLProxyCheckPeerExpire on
 
     RequestHeader set Host "infrastructure.pages.gitlab.gnome.org"
-    ProxyPreserveHost On
 
     ProxyPass / https://infrastructure.pages.gitlab.gnome.org/gtk-web/ retry=0
     ProxyPass /.well-known/acme-challenge !