Remove name of base manifest to fix semantic test failure
Remove name of base manifest to fix semantic test failure

Our [test](https://github.com/cloudfoundry/cf-deployment/blob/9fe9e7b11cbd7b8c26ab2b0efaa2a526c2e135ec/scripts/test#L147) treats `.yml` at the end of `(` `)` as markdown link
cloudfoundry/cf-deployment,cloudfoundry/cf-deployment