[FLINK-11833] Cleanup unnecessary createKeyedStateBackend methods in StateBackend

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Implemented
• Fix Version/s: 1.8.0
• Component/s: Runtime / State Backends
• Labels: pull-request-available
• Assignee: Yu Li
• Reporter: Yu Li
• Created: 06/Mar/19 06:52
• Updated: 15/Mar/19 11:31
• Resolved: 06/Mar/19 09:29

Description

As discussed in PR#7866 we should remove unnecessary createKeyedStateBackend methods in StateBackend and complete the javadoc for the left one.

Issue Links

• links to: GitHub Pull Request #7909