[HIVE-9139] Clean up GenSparkProcContext.clonedReduceSinks and related code [Spark Branch]

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: spark-branch
• Fix Version/s: spark-branch, 1.3.0, 2.0.0
• Component/s: Spark
• Assignee: Chao Sun
• Reporter: Xuefu Zhang
• Created: 17/Dec/14 02:52
• Updated: 16/Feb/16 23:50
• Resolved: 17/Aug/15 17:41

Description

While reviewing HIVE-9041, I noticed this field seems not applicable for Spark. It was inherited from Tez. We should remove it and related code to reduce noise in the code if it's not needed.