tests: remove remaining unneeded container config

test/test_events/test_events.yml

@@ -1,6 +1,3 @@
-include:
-  - ../compose.base.yml
-
 networks:
   default:
     name: test_events-net

test/test_host-network-mode/test_host-network-mode.yml

@@ -24,5 +24,3 @@ services:
       VIRTUAL_HOST: "host-network.nginx-proxy.tld"
       VIRTUAL_PORT: "8080"
     network_mode: host
-
-

test/test_host-network-mode/test_proxy-host-network-mode.yml

@@ -1,9 +1,5 @@
 services:
   nginx-proxy:
-    image: nginxproxy/nginx-proxy:test
-    container_name: nginx-proxy
-    volumes:
-      - /var/run/docker.sock:/tmp/docker.sock:ro
     environment:
       HTTP_PORT: 8888
     network_mode: host