extra-repos/systemd/systemd-services: take over service files from origin packages

We were only forking kactivitymanagerd and kglobalacceld for their service files

extra-repos/systemd/kactivitymanagerd/APKBUILD

-# Forked from Alpine to add systemd!
-
-pkgname=kactivitymanagerd
-pkgver=99996.1.5
-_pkgver=6.1.5
-pkgrel=0
-pkgdesc="System service to manage user's activities and track the usage patterns"
-# armhf blocked by qt6-qtdeclarative
-arch="all !armhf !armv7"
-url="https://kde.org/plasma-desktop/"
-license="GPL-2.0-only OR GPL-3.0-only"
-depends="qt6-qtbase-sqlite"
-makedepends="
-	boost-dev
-	extra-cmake-modules
-	kconfig-dev
-	kcoreaddons-dev
-	kdbusaddons-dev
-	kglobalaccel-dev
-	ki18n-dev
-	kio-dev
-	kwindowsystem-dev
-	kxmlgui-dev
-	qt6-qtbase-dev
-	samurai
-	"
-
-case "$pkgver" in
-	*.90*) _rel=unstable;;
-	*) _rel=stable;;
-esac
-subpackages="$pkgname-lang $pkgname-systemd"
-_repo_url="https://invent.kde.org/plasma/kactivitymanagerd.git"
-source="https://download.kde.org/stable/plasma/$_pkgver/kactivitymanagerd-$_pkgver.tar.xz"
-builddir="$srcdir/$pkgname-$_pkgver"
-
-build() {
-	cmake -B build -G Ninja \
-		-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-		-DCMAKE_INSTALL_PREFIX=/usr \
-		-DCMAKE_INSTALL_LIBDIR=lib
-	cmake --build build
-}
-
-check() {
-	ctest --test-dir build --output-on-failure
-}
-
-package() {
-	DESTDIR="$pkgdir" cmake --install build
-}
-sha512sums="
-e3720e53cd37375828d67ddfc873cc465eb4a0ccbf75b066bf98927752df2465f382cfa5cca3f340200f6c86a91087b0157de82b581a5f06bbe77b488909f417  kactivitymanagerd-6.1.5.tar.xz
-"