backfill-duplicate-comments.ts and auto-close-duplicates.ts have unnecessary declare global blocks

Question

## Bug

scripts/backfill-duplicate-comments.ts lines 3-7 and scripts/auto-close-duplicates.ts lines 3-7 use 'declare global { var process: { env: ... } }' which is unnecessary when running under Bun, which has process.env natively.

backfill-duplicate-comments.ts and auto-close-duplicates.ts have unnecessary declare global blocks

Bug\n\nscripts/backfill-duplicate-comments.ts lines 3-7 and scripts/auto-close-duplicates.ts lines 3-7 use 'declare global { var process: { env: ... } }' which is unnecessary when running under Bun, which has process.env natively.