Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -49,20 +49,18 @@ job:
   image: 'alpine'
   only:
     - master
-  variables:
-    SSH_PRIVATE_KEY: "$SSH_PRIVATE_KEY"
   cache:
     paths:
       - '~/.ssh'
       - '/usr/bin'
   before_script:
-    - echo "$SSH_PRIVATE_KEY"
+    - echo $SSH_PRIVATE_KEY
     - apk add openssh-client > /dev/null
     - eval $(ssh-agent -s)
     # - chmod 400 "$SSH_ARIVATE_KEY"
     - mkdir -p ~/.ssh
     - chmod 700 ~/.ssh
-    - cp "$SSH_PRIVATE_KEY" ~/.ssh/id_rsa
+    - cp $SSH_PRIVATE_KEY ~/.ssh/id_rsa
     
     - ssh-add ~/.ssh/id_rsa
     - ssh $BOT_HOST -y