[TASK] Remove Apache service

We don't need this anymore since tests now use the PHP webserver
instead.

Notice that the HTTP_HOST environment variable is still necessary for
the ServerRequestFactory within TypoScriptFrontendController.

docker-compose.yml

@@ -9,23 +9,15 @@ services:
       typo3DatabaseUsername: root
       typo3DatabasePassword: root
       ELASTICSEARCH_HOST: elasticsearch:9200
-      HTTP_HOST: apache
+      HTTP_HOST: dummy
     depends_on:
-      - apache
       - elasticsearch
       - mysql
       - ssh-key
     volumes:
       - ./:/var/www/html
       - ssh-agent:/.ssh-agent
 
-  apache:
-    image: thecodingmachine/php:${PHP_VERSION:-7.2}-v3-slim-apache
-    environment:
-      APACHE_DOCUMENT_ROOT: web/
-    volumes:
-      - ./:/var/www/html
-
   mysql:
     image: mysql:5.7
     command: