Fully remove docker-in-docker and cross

Signed-off-by: Jacob Kiers <code@kiers.eu>

.drone.jsonnet

@@ -43,26 +43,6 @@ local add_build_steps() = [
     arch: 'amd64',
   },
   steps:
-    [{
-      name: 'Wait for Docker',
-      image: build_image,
-      commands: [
-        'mkdir artifacts',
-        'echo Using image: ' + build_image,
-        'while ! docker image ls; do sleep 1; done',
-        'cargo --version',
-        'rustc --version',
-        'docker info',
-        'docker pull hello-world:latest',
-      ],
-      environment: {
-        CROSS_REMOTE: true,
-      },
-      volumes: [{
-        name: 'dockersock',
-        path: '/var/run',
-      }],
-    }] +
     add_build_steps() +
     [
       {
@@ -91,28 +71,5 @@ local add_build_steps() = [
       },
     ],
 
-  services: [{
-    name: 'docker',
-    image: 'docker:dind',
-    privileged: true,
-    volumes: [
-      {
-        name: 'dockersock',
-        path: '/var/run',
-      },
-      {
-        name: 'docker-storage',
-        path: '/var/lib/docker',
-      },
-    ],
-  }],
-
-  volumes: [
-    {
-      name: 'dockersock',
-      temp: {},
-    },
-  ],
-
   image_pull_secrets: ['docker_private_repo'],
 }