No-op changes to cord.h

PiperOrigin-RevId: 934041131
Change-Id: Ica8e7f702596a22a71847a645355d6106c11e143

absl/strings/cord.h

diff --git a/absl/strings/cord.h b/absl/strings/cord.h
index 416b5ea..c5b2ec4 100644
--- a/absl/strings/cord.h
+++ b/absl/strings/cord.h
@@ -1124,11 +1124,6 @@
   void CopyToArrayImpl(char* absl_nonnull dst) const;
 };
 
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
 
 // allow a Cord to be logged
 extern std::ostream& operator<<(std::ostream& out, const Cord& cord);