Remove acpid package (#469)

This is no longer needed for handling events (I use BB's acpid),
and I have no plans to update/maintain it

aports/unmaintained/acpid/APKBUILD

@@ -1,24 +0,0 @@
-pkgname=acpid
-pkgver=2.0.28
-pkgrel=1
-pkgdesc="A daemon for delivering ACPI power management events with netlink support"
-arch="all"
-url="http://sourceforge.net/projects/acpid2/"
-license="GPL"
-depends=""
-source="http://downloads.sourceforge.net/sourceforge/acpid2/$pkgname-$pkgver.tar.xz"
-subpackages="$pkgname-doc"
-
-build() {
-  ./configure --prefix=/usr --sbindir=/usr/bin --build=$CBUILD --host=$CHOST
-  make
-}
-
-package() {
-  cd $builddir
-  make DESTDIR="$pkgdir" install
-  # fix acpid rights
-  chmod 755 "$pkgdir/usr/bin/acpid"
-}
-
-sha512sums="effe9c3b30b4a6ea20eca4b36a06d4b3da9b262d100685958faec4b38f89377a87dcaecee7a69b87aaddfa47688bcc46fc47a38391ac4bd2019cb3b48ab18fcb  acpid-2.0.28.tar.xz"