feat: slight clean up · qin-guan/wsa-tollbooth@f397631

'app' is defined but never used. Allowed unused args must match /^_/u

'router' is defined but never used. Allowed unused args must match /^_/u

'siteData' is defined but never used. Allowed unused args must match /^_/u

'pastWinnersPending' is assigned a value but never used. Allowed unused vars must match /^_/u

'pastWinnersError' is assigned a value but never used. Allowed unused vars must match /^_/u

Variable '_' is already declared in the upper scope

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