iperf: Update to 2.2.1

fix is included in the new release

iperf/0001-build-fix.patch

@@ -1,11 +0,0 @@
---- a/src/Server.cpp
-+++ b/src/Server.cpp
-@@ -93,7 +93,7 @@
- 	}
-     }
- #endif
--#if HAVE_DECL_MSG_CTRUNC
-+#if (HAVE_DECL_SO_TIMESTAMP) && (HAVE_DECL_MSG_CTRUNC)
-     ctrunc_warn_enable = true;
- #endif
-     // Enable kernel level timestamping if available

iperf/PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Oleg Titov <oleg.titov@gmail.com>
 
 pkgname=iperf
-pkgver=2.2.0
+pkgver=2.2.1
 pkgrel=1
 pkgdesc='A tool to measure maximum TCP bandwidth'
 arch=('i686' 'x86_64')
@@ -13,17 +13,11 @@ msys2_references=(
 license=('custom')
 depends=('gcc-libs')
 makedepends=('autotools' 'gcc')
-source=("https://downloads.sourceforge.net/iperf2/iperf-$pkgver.tar.gz"
-        "0001-build-fix.patch")
-sha256sums=('16810a9575e4c6dd65e4a18ab5df3cdac6730b3c832cf080a8990f132f68364a'
-            '65baf3f40cd7caa8312e02a0264579d329b5f1bb11fa2ff36907ed6685f8ef9f')
+source=("https://downloads.sourceforge.net/iperf2/iperf-$pkgver.tar.gz")
+sha256sums=('754ab0a7e28033dbea81308ef424bc7df4d6e2fe31b60cc536b61b51fefbd8fb')
 
 prepare() {
   cd "${pkgname}-${pkgver}"
-
-  # https://sourceforge.net/p/iperf2/tickets/328/
-  # https://sourceforge.net/p/iperf2/code/ci/97c193ac9aecd7884988a16a2454346253590b66
-  patch -Np1 -i "${srcdir}"/0001-build-fix.patch
 }
 
 build() {