Old Gitlab pipelines are removed

[izgeri]

Gitlab pipelines for the following repos should be removed. Removal means deleting the .gitlab-ci.yml files, removing any Gitlab badges, and removing the project from Gitlab itself.

• cyberark / summon-conjur
• cyberark / conjur-api-dotnet
• cyberark / parse-a-changelog
• cyberark / ansible-conjur-host-identity
• cyberark / conjur-cli
• cyberark / conjur-google-cloud-marketplace
• cyberark / conjur-api-ruby
• cyberark / conjur-api-java
• cyberark / conjur-api-go
• cyberark / dev-flow
• cyberark / conjur-cli-go