[FLINK-25313][connector-elasticsearch] Remove legacy Elasticseach connector

Use the new connector via option 'connector' = 'elasticsearch-7'.
14 files changed
tree: 75a8c9e048b03cc619340dc5fe33a8e0f30f8147
  1. flink-connectors/
  2. .asf.yaml
  3. README.md
README.md

flink-connector-elasticsearch