Remove ServerAliveInterval from gitlab-ci

.gitlab-ci.yml

@@ -256,7 +256,6 @@ gcc_9_python_slurm_test:
     - apt-get install -y rsync
     - mkdir -p ~/.ssh
     - chmod 700 ~/.ssh
-    - echo "Host *\n    ServerAliveInterval 240" >> ~/.ssh/config
     - eval $(ssh-agent -s)
     - echo "$SSH_KEY" | tr -d '\r' | ssh-add -
     - echo $SSH_KEY >> ansible/private_key