testing/avr-libc-git: remove aport

This package was introduced to provide support for new MCUs not yet
included in the stable release of avr-libc. But with the most recent
release, there is little value in a bleeding edge version of this
package anymore.

testing/avr-libc-git/APKBUILD

@@ -1,40 +0,0 @@
-# Contributor: Stefan Wagner <stw@bit-strickerei.de>
-# Maintainer: Marian Buschsieweke <marian.buschsieweke@posteo.net>
-pkgname=avr-libc-git
-_avrlibc_pkgver=2.1.0
-pkgver=0_git20240410
-_commit=b5b42a02bebba153e03dce6bec4e0abcb1e5362a
-provides=avr-libc=$_avrlibc_pkgver
-pkgrel=0
-pkgdesc="The C runtime library for the AVR family of microcontrollers - git version"
-url="https://github.com/avrdudes/avr-libc"
-depends="gcc-avr"
-makedepends="
-	autoconf
-	automake
-	python3
-	"
-arch="x86_64 ppc64le aarch64 x86"
-license="BSD-3-Clause"
-subpackages="$pkgname-doc"
-source="
-	avr-libc-$_commit.tar.gz::https://github.com/avrdudes/avr-libc/archive/$_commit.tar.gz
-	"
-builddir="$srcdir/avr-libc-$_commit"
-
-build() {
-	./bootstrap
-	CC=avr-gcc ./configure \
-		--build="$(/bin/sh config.guess)" \
-		--host=avr \
-		--prefix=/usr
-	make
-}
-
-package() {
-	make install DESTDIR="$pkgdir"
-}
-
-sha512sums="
-f860084892a576d8ff2c0f3c619543838b79514dd67fc60c98b15417d20daf172ac2581a8ac8200aac7b4b3d7b4a05ee4f0a586990fd82996291a414d510f25c  avr-libc-b5b42a02bebba153e03dce6bec4e0abcb1e5362a.tar.gz
-"