[docs] Add release note for removing getwitnessaddress

jnewbery · jnewbery · commit 2b91e42ece78 · 2018-10-17T15:00:50.000-04:00
diff --git a/doc/release-notes-14296.md b/doc/release-notes-14296.md
@@ -0,0 +1,5 @@
+addwitnessaddress RPC method removed
+------------------------------------
+
+The `addwitnessaddress` RPC was added for segwit testing in version 0.13.0. It
+was deprecated in version 0.16.0. This version fully removes the RPC method.
