cut empty legacy namespace folly::io in compression library

Summary: All uses have been migrated so the unused alias may now be removed. Reviewed By: Orvid Differential Revision: D70043402 fbshipit-source-id: b9a188a1eed1f61b6dca22f1fac2b75fa339f479
facebook · Feb 28, 2025 · ea62f9f · ea62f9f
1 parent c5f5f7e
commit ea62f9f
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/folly/compression/Compression.h b/folly/compression/Compression.h
@@ -539,7 +539,3 @@ bool hasStreamCodec(CodecType type);
 #define FOLLY_COMPRESSION_HAS_CONTEXT_POOL_SINGLETONS
 } // namespace compression
 } // namespace folly
-
-namespace folly::io {
-// empty
-} // namespace folly::io