chore: remove repetitive word in docs/blockchain-cli/challenge.md#667
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withtimezone wants to merge 1 commit intobnb-chain:masterfrom 
Open
chore: remove repetitive word in docs/blockchain-cli/challenge.md#667withtimezone wants to merge 1 commit intobnb-chain:masterfrom 
withtimezone wants to merge 1 commit intobnb-chain:masterfrom