Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -53,7 +53,6 @@ deploy_staging:
     - master
   before_script:
     - eval $(ssh-agent -s)
-    - echo "$STAGING_PRIVATE_KEY"
     - ssh-add <(echo "$STAGING_PRIVATE_KEY")
     - mkdir -p ~/.ssh
     - echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config