Use Java API instead of jFrog binaries in artifactory-deployer

[michael-barth-elco]

The gradle -artifactory-deployer uses the jFrob binaries for a command line call deploying the configured folders. There is a Java API, which should be used, This will reduce the shipping size of the plugin,

[michael-barth-elco]

https://discuss.gradle.org/t/looking-for-an-example-on-how-a-custom-plugin-invokes-another-plugin-task/18154

Shows the usage of Artifactory plugin from jfrog