- remove php 73 containers

* remove nodejs install from src builds
* fix composer auth secret path links

src/docker-compose.yml

@@ -7,12 +7,6 @@ services:
       service: php-fpm
     build:
       dockerfile: php56.Dockerfile
-  php73:
-    extends:
-      file: docker-compose.base.yml
-      service: php-fpm
-    build:
-      dockerfile: php73.Dockerfile
   php74:
     extends:
       file: docker-compose.base.yml
@@ -25,12 +19,6 @@ services:
       service: php-fpm
     build:
       dockerfile: php81.Dockerfile
-  workspace73:
-    extends:
-      file: docker-compose.base.yml
-      service: workspace
-    build:
-      dockerfile: workspace73.Dockerfile
   workspace74:
     extends:
       file: docker-compose.base.yml
@@ -43,13 +31,3 @@ services:
       service: workspace
     build:
       dockerfile: workspace81.Dockerfile
-
-secrets:
-  user_ssh_key:
-    file: ~/.ssh/id_rsa
-  user_known_hosts:
-    file: ~/.ssh/known_hosts
-  composer1_auth:
-    file: ~/.composer/auth.json
-  composer2_auth:
-    file: ~/.config/composer/auth.json