[FLINK-12055] Remove legacy ActorSystemLoader

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.9.0
• Fix Version/s: 1.9.0
• Component/s: Command Line Client
• Labels: pull-request-available
• Assignee: TisonKun
• Reporter: TisonKun
• Created: 28/Mar/19 13:28
• Updated: 28/Mar/19 14:29
• Resolved: 28/Mar/19 14:29

Description

Also its implementation DefaultActorSystemLoader.

Also remove unused test dependency of akka_testkit.

Issue Links

• links to: GitHub Pull Request #8072