Fix a few redudant spaces (#7577) (#7578)#7579

Merged

ti-chi-bot merged 1 commit intopingcap:masterfrom ti-chi-bot:cherry-pick-7578-to-master

Feb 15, 2022

+1-1

Commits on Feb 15, 2022

Fix a few redudant spaces (pingcap#7577 ) (pingcap#7578 )
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