Remove unnecessary URLs in ACD guide

Author: maximiliankolb

guides/common/modules/con_key-terms-in-application-centric-deployment.adoc

@@ -22,7 +22,7 @@ For example, deploying a wiki platform for 20 users might use the `1-small` comp
 
 Service::
 A service is a type of host necessary to run an application.
-For example, the _LAMP_ stack consists of three services: an https://httpd.apache.org/[Apache] webserver, a https://www.mysql.com/[MySQL] database, and https://www.php.net/[PHP] scripting language all running on Linux servers.
+For example, the _LAMP_ stack consists of three services: an Apache webserver, a MySQL database, and PHP scripting language all running on Linux servers.
 
 Host Groups::
 Host groups are predefined sets of provisioning and configuration settings for a new host.