[FLINK-35527] Polish quickstart guide & clean stale links in docs

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: cdc-3.1.0
• Fix Version/s: cdc-3.2.0, cdc-3.1.1
• Component/s: Flink CDC
• Labels: pull-request-available
• Assignee: yux
• Reporter: yux
• Created: 05/Jun/24 12:56
• Updated: 06/Jun/24 01:24
• Resolved: 06/Jun/24 01:24

Description

Currently, there's still a lot of stale links in Flink CDC docs, including some download links pointing to Ververica maven repositories. Need to clean them up to avoid user conflicts.

Issue Links

• links to: GitHub Pull Request #3343
• links to: GitHub Pull Request #3391