[FLINK-24635] Clean up flink-examples

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.15.0
• Component/s: Examples
• Labels: pull-request-available
• Assignee: Seth Wiesman
• Reporter: Seth Wiesman
• Created: 25/Oct/21 17:45
• Updated: 16/Nov/21 21:42
• Resolved: 16/Nov/21 21:42

Description

The Flink DataStream examples have a number of deprecation warnings. These are some of the first things new users look at and we should be showing best practices. 

Issue Links

• links to: GitHub Pull Request #17802

Sub-Tasks

• Update README examples: Open