Remove unused require

y-yagi · y-yagi · commit 8484754c399d · 2024-10-18T15:18:32.000+09:00
`concurrent/atomic/atomic_fixnum` was added by 2708b78. But, `Concurrent::AtomicFixnum` removed by b7b14b7.
diff --git a/lib/solid_cache/store/expiry.rb b/lib/solid_cache/store/expiry.rb
@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require "concurrent/atomic/atomic_fixnum"
-
 module SolidCache
   class Store
     module Expiry
