[CRON] Broken: apache/flink#42985 (release-1.10 - 8abd110)

[Flink CI]

apache / flink release-1.10 Build #42985 broken 33 hrs, 56 mins, 10 secs Dian Fu 8abd110 CHANGESET → Revert "[FLINK-16691][python][docs] Improve Python UDF documentation to remind users to install PyFlink on the cluster" This reverts commit d173d337cda85084bb7890054bfe04cecf1f9694