bind: update to version 9.16.21

- Remove patch, which is part of this release, it was backported from
  upstream

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

net/bind/Makefile

@@ -9,7 +9,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=bind
-PKG_VERSION:=9.16.20
+PKG_VERSION:=9.16.21
 PKG_RELEASE:=1
 USERID:=bind=57:bind=57
 
@@ -22,7 +22,7 @@ PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:= \
 	https://www.mirrorservice.org/sites/ftp.isc.org/isc/bind9/$(PKG_VERSION) \
 	https://ftp.isc.org/isc/bind9/$(PKG_VERSION)
-PKG_HASH:=4d0d93c0d0b63080609e84625f24ff8777f8d164e78a75b1c19c334ce42d5b58
+PKG_HASH:=65da5fd4fb80b7d0d7452876f81fd6d67cdcee54a5e3c1d65610334665dfa815
 
 PKG_FIXUP:=autoreconf
 PKG_REMOVE_FILES:=aclocal.m4 libtool.m4

net/bind/patches/002-map-format-fix.patch

@@ -1,23 +0,0 @@
-From b70a2c2d074a57aac4b1ec996b881a5b93a2cf39 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Petr=20=C5=A0pa=C4=8Dek?= <pspacek@isc.org>
-Date: Thu, 19 Aug 2021 19:54:44 +0200
-Subject: [PATCH] increase MAPAPI
-
-bump the map zonefile version number to avoid an assertion
-failure when loading map files from versions of BIND prior to
-the most recent change to the in-memory structure of zone
-databases.
-
-(cherry picked from commit 4a68c7be225ddc3443d647bb8257278c1fdb4da8)
----
- lib/dns/mapapi | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/lib/dns/mapapi
-+++ b/lib/dns/mapapi
-@@ -13,4 +13,4 @@
- # Whenever releasing a new major release of BIND9, set this value
- # back to 1.0 when releasing the first alpha.  Map files are *never*
- # compatible across major releases.
--MAPAPI=2.0
-+MAPAPI=3.0