community/mpv: don't build with rsound support

This has been broken for a long time, no one noticed it. Thus I am
assuming that no one uses this. Additionally, other distribution built
mpv without rsound support as well and rsound upstream has been dead for
an eternity.

community/mpv/APKBUILD

@@ -5,7 +5,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=mpv
 pkgver=0.27.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Video player based on MPlayer/mplayer2"
 url="https://mpv.io/"
 arch="all"
@@ -14,7 +14,7 @@ makedepends="libxxf86dga-dev libxv-dev libmad-dev lame-dev libao-dev
 	libtheora-dev xvidcore-dev zlib-dev sdl-dev freetype-dev
 	x264-dev faac-dev ttf-dejavu libxvmc-dev alsa-lib-dev libva-dev
 	mesa-dev ffmpeg-dev libass-dev perl lua5.2-dev libvdpau-dev python2
-	libxext-dev libxinerama-dev libxscrnsaver-dev py-docutils rsound-dev libxrandr-dev"
+	libxext-dev libxinerama-dev libxscrnsaver-dev py-docutils libxrandr-dev"
 subpackages="
 	$pkgname-doc
 	$pkgname-libs
@@ -44,7 +44,6 @@ build() {
 		--enable-alsa \
 		--enable-libass \
 		--enable-libmpv-shared \
-		--enable-rsound \
 		--enable-zsh-comp
 	./waf build
 }