Remove demo job HCL file

Previously we used this file to deploy a job on Nomad that our API
used for e2e tests. Now that we create the environments in the e2e
tests, we don't need the demo job anymore.

.gitlab-ci.yml

@@ -130,9 +130,6 @@ test_e2e:
     - export NOMAD_ADDR=http://localhost:4646
     - nomad agent -dev -log-level=WARN &
     - sleep 5
-    - export NOMAD_NAMESPACE="default"
-    - ./deploy/nomad-run-env-job.sh deploy/demo-job.tpl.nomad deploy/demo-job.nomad
-    - sleep 5
     # Start Poseidon and wait for it
     - ./poseidon &
     - sleep 20
@@ -174,7 +171,6 @@ deploy_review:
   before_script:
     - export NOMAD_NAMESPACE="$NOMAD_SLUG"
     - nomad namespace apply $NOMAD_NAMESPACE
-    - ./deploy/nomad-run-env-job.sh deploy/demo-job.tpl.nomad deploy/demo-job.nomad
   only:
     - branches
     - tags

deploy/demo-job.tpl.nomad

@@ -1,77 +0,0 @@
-// This job is used by the e2e tests as a demo job.
-
-job "template-0" {
-  datacenters = ["dc1"]
-  type = "batch"
-  namespace = "${NOMAD_NAMESPACE}"
-
-  group "default-group" {
-    ephemeral_disk {
-      migrate = false
-      size    = 10
-      sticky  = false
-    }
-    count = 1
-    scaling {
-      enabled = true
-      max = 300
-    }
-    spread {
-      // see https://www.nomadproject.io/docs/job-specification/spread#even-spread-across-data-center
-      // This spreads the load evenly amongst our nodes
-      attribute = "${node.unique.name}"
-      weight = 100
-    }
-
-    task "default-task" {
-      driver = "docker"
-      kill_timeout = "0s"
-      kill_signal = "SIGKILL"
-
-      config {
-        image = "openhpi/co_execenv_python:3.8"
-        command = "sleep"
-        args = ["infinity"]
-      }
-
-      logs {
-        max_files     = 1
-        max_file_size = 1
-      }
-
-      resources {
-        cpu    = 40
-        memory = 40
-      }
-
-      restart {
-        delay = "0s"
-      }
-    }
-  }
-  group "config" {
-      // We want to store whether a task is in use in order to recover from a downtime.
-      // Without a separate config task, marking a task as used would result in a restart of that task,
-      // as the meta information is passed to the container as environment variables.
-      count = 0
-      task "config" {
-        driver = "exec"
-        config {
-          command = "true"
-        }
-        logs {
-          max_files     = 1
-          max_file_size = 1
-        }
-        resources {
-          // minimum values
-          cpu    = 1
-          memory = 10
-        }
-      }
-      meta {
-        used = "false"
-        prewarmingPoolSize = "0"
-      }
-    }
-}