temp/libphonenumber: remove

Turns out, that the pkgrel was bumped in Alpine. I had looked at an
outdated error message from the postmarketos-ui-* related MR and
assumed that this issue is still present (somwhat confused by the other
upstream-compat issues).

This reverts commit 07653d60a8.

temp/libphonenumber/APKBUILD

@@ -1,34 +0,0 @@
-# Forked from Alpine, needs pkgrel bump after boost soname change
-
-pkgname=libphonenumber
-pkgver=8.10.21
-pkgrel=2
-pkgdesc="Library for parsing, formatting, and validating international phone numbers."
-url="https://github.com/googlei18n/libphonenumber"
-arch="all"
-license="Apache-2.0"
-depends_dev="boost-dev protobuf-dev icu-dev"
-makedepends="$depends_dev cmake gtest-dev"
-checkdepends="gtest"
-subpackages="$pkgname-static $pkgname-dev"
-source="$pkgname-$pkgver.tar.gz::https://github.com/googlei18n/libphonenumber/archive/v$pkgver.tar.gz"
-
-build() {
-	cd "$builddir/cpp"
-	cmake \
-		-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-		-DCMAKE_INSTALL_PREFIX=/usr \
-		-DCMAKE_INSTALL_LIBDIR=lib
-	make
-}
-
-check() {
-	cd "$builddir/cpp"
-	./libphonenumber_test
-}
-package() {
-	cd "$builddir/cpp"
-	DESTDIR="$pkgdir" make install
-}
-
-sha512sums="791c3dd2f4ce2abecafac1ca2b61708152c6b51f3a417084e0163322980e83297f75e48fa71f6fa2f6fcd20fdaa233bd1f99a2ce499aec56a785cbd1fedc2662  libphonenumber-8.10.21.tar.gz"