File is totally out-of-date and not supported, remove

config/apache2.conf.sample

@@ -1,52 +0,0 @@
-# Apache2 Virtual Host file to proxy Discourse to Thin cluster
-
-<VirtualHost *:80>
-ServerName forum.example.org.uk
-DocumentRoot /html/discourse/public/
-LogLevel debug
-#  ErrorLog  /html/discourse/log/error.log
-#  CustomLog /html/discourse/log/access.log combined
-
-# Hide some server information, since we can..
-Header set Server "Sample Server Name"
-
- <IfModule mod_security2.c>
-   SecRuleEngine On
-   # Remove any rules that prevent Discourse from running at all
-   SecRuleRemoveById  <rule id>
-  </IfModule>
-
- <Directory /html/discourse/public/>
-  Require all granted
- </Directory>
-
- <LocationMatch "^/assets/.*$">
-	# Set caching headers here, providing advice to downstream cache
-	Header set Cache-Control "public, max-age = 604800"
- </LocationMatch>
-
- RewriteEngine On
-
- <Proxy balancer://thinservers>
-   BalancerMember http://127.0.0.1:3000
-   BalancerMember http://127.0.0.1:3001
-   BalancerMember http://127.0.0.1:3002
- </Proxy>
- 
- # Prevent requests for /assets, /javascripts, /plugins and /uploads from being passed upstream
- ProxyPass /assets !
- ProxyPass /javascripts !
- ProxyPass /plugins !
- ProxyPass /uploads !
- 
-  # Pass the everything else
- ProxyPass / balancer://thinservers/
- ProxyPassReverse / balancer://thinservers/
- ProxyPreserveHost on
-
- <Proxy *>
-   Require all granted
- </Proxy>
- 
-</VirtualHost>
-