chore: remove semaphore.nim file when chronos 4.0.5 is released #1959
Description
remove libp2p/utils/semaphore.nim file when chronos 4.0.5 is released and dependency is bumped in libp2p.nimble.
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remove libp2p/utils/semaphore.nim file when chronos 4.0.5 is released and dependency is bumped in libp2p.nimble.