executor: remove a dirty hack code which is useless now (#20388)
executor: remove a dirty hack code which is useless now (#20388)

 
kyle-wang/tidb,ngaut/tidb,kyle-wang/tidb,ngaut/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,pingcap/tidb,ngaut/tidb,c4pt0r/tidb,pingcap/tidb,EvilMcJerkface/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,pingcap/tidb,XuHuaiyu/tidb,ngaut/tidb,kyle-wang/tidb,c4pt0r/tidb,c4pt0r/tidb,ngaut/tidb,kyle-wang/tidb,ngaut/tidb,coocood/tidb,c4pt0r/tidb,pingcap/tidb,XuHuaiyu/tidb,coocood/tidb,c4pt0r/tidb,kyle-wang/tidb