temp/megapixels-gtk: remove (MR 3815)

No longer necessary for SXMO dwm edition, as tested/confirmed by SXMO
maintainers / developers.

temp/megapixels-gtk3/APKBUILD

-# Forked from Alpine to package the gtk3 version for Sxmo (pma#1129)
-pkgname=megapixels-gtk3
-pkgver=0.16.1
-pkgrel=1
-pkgdesc="GTK+3 camera app for mobile devices"
-url="https://git.sr.ht/~martijnbraam/megapixels"
-arch="all"
-license="GPL-3.0-only"
-# Required by postprocess.sh
-# depends="cmd:dcraw_emu cmd:convert cmd:exiftool"
-depends="libraw-tools graphicsmagick exiftool"
-makedepends="glib-dev gtk+3.0-dev tiff-dev meson zbar-dev"
-source="
-	megapixels-$pkgver.tar.gz::https://git.sr.ht/~martijnbraam/megapixels/archive/$pkgver.tar.gz
-"
-options="!check" # There's no testsuite
-builddir="$srcdir/megapixels-$pkgver"
-
-build() {
-	abuild-meson . output
-	meson compile ${JOBS:+-j ${JOBS}} -C output
-}
-
-package() {
-	DESTDIR="$pkgdir" meson install --no-rebuild -C output
-}
-
-sha512sums="
-9eae9d8c166f18a45aed2db12dda9e23937683ae727df339238da718e666cc7b2f5c9d9948395f41dc41d8d698418fc1a5b9015a04e913a6c5b043a2237a26ab  megapixels-0.16.1.tar.gz
-"