Delete compiled test_plugin
Delete compiled test_plugin

- While this may be convenient, we prefer not to put binaries in source
  control

[#170196440](https://www.pivotaltracker.com/story/show/170196440)

Co-authored-by: Eric Promislow <6c389fa4d719bbeec88fea52ca3b2497804923ad@suse.com>

cloudfoundry/cli,cloudfoundry/cli,cloudfoundry/cli