[SPARK-44433][PYTHON][CONNECT][SS][FOLLOWUP] Terminate listener process with `removeListener` and improvements#42283

WweiL wants to merge 4 commits intoapache:masterapache/spark:masterfrom

WweiL:SPARK-44433-listener-process-terminationWweiL/oss-spark:SPARK-44433-listener-process-terminationCopy head branch name to clipboard