meta: tiny clean up (#5538)
meta: tiny clean up (#5538)


CodeRushing/tidb,ming-relax/tidb,c4pt0r/tidb,mccxj/tidb,kyle-wang/tidb,coocood/tidb,kyle-wang/tidb,EvilMcJerkface/tidb,tiancaiamao/tidb,c4pt0r/tidb,pingcap/tidb,pingcap/tidb,wusphinx/tidb,ngaut/tidb,pingcap/tidb,ngaut/tidb,kyle-wang/tidb,yangwenmai/tidb,pingcap/tidb,mccxj/tidb,ming-relax/tidb,pingcap/tidb,qiuyesuifeng/tidb,kyle-wang/tidb,tiancaiamao/tidb,XuHuaiyu/tidb,cosmtrek/tidb,CodeRushing/tidb,ngaut/tidb,Cofyc/tidb,wusphinx/tidb,kyle-wang/tidb,Cofyc/tidb,ngaut/tidb,spongedu/tidb,ngaut/tidb,coocood/tidb,pingcap/tidb,yangwenmai/tidb,kyle-wang/tidb,spongedu/tidb,c4pt0r/tidb,XuHuaiyu/tidb,qiuyesuifeng/tidb,EvilMcJerkface/tidb,Nify/tidb,ngaut/tidb,c4pt0r/tidb,Nify/tidb,c4pt0r/tidb,cosmtrek/tidb,c4pt0r/tidb