[committed] gas/NEWS: Remove mention of AArch64 B16B16 extension

[Andrew Carlotti]

This aligns the 2.42 NEWS with the update backported to the 2.42 release
branch.

---

Pushed as an obvious follow up to my 2.42 branch commit.


diff --git a/gas/NEWS b/gas/NEWS
index 5d2a3645a88342af4aa6dc3b8a1b6a35fa4fb1ee..07e834e20710dd27953938a1f793d6612a4af555 100644
--- a/gas/NEWS
+++ b/gas/NEWS
@@ -16,9 +16,6 @@ Changes in 2.42:
 
 * Add support for AMD znver5 processor.
 
-* Add support for the AArch64 BFloat16 to BFloat16 arithmetic for SVE2
-  (B16B16).
-
 * Add support for the AArch64 Reliability, Availability and Serviceability
   extension v2 (RASv2).