libspa-ffmpeg: remove package

this plugin is useless right now, so removing it to break a cycle
SDL2 -> pipewire -> ffmpeg -> SDL2

srcpkgs/libspa-ffmpeg

@@ -1 +0,0 @@
-pipewire

srcpkgs/pipewire/template

@@ -1,13 +1,13 @@
 # Template file for 'pipewire'
 pkgname=pipewire
 version=0.3.32
-revision=1
+revision=2
 build_style=meson
 configure_args="-Dman=enabled -Dgstreamer=enabled -Ddocs=enabled -Dsystemd=disabled
- -Dbluez5=enabled -Dffmpeg=enabled -Dpipewire-alsa=enabled -Dpipewire-jack=enabled
+ -Dbluez5=enabled -Dffmpeg=disabled -Dpipewire-alsa=enabled -Dpipewire-jack=enabled
  -Dvulkan=enabled -Dudevrulesdir=/usr/lib/udev/rules.d -Db_ndebug=false"
 hostmakedepends="doxygen graphviz pkg-config xmltoman gettext"
-makedepends="ffmpeg-devel gst-plugins-base1-devel jack-devel sbc-devel v4l-utils-devel
+makedepends="gst-plugins-base1-devel jack-devel sbc-devel v4l-utils-devel
  libva-devel libbluetooth-devel ncurses-devel libopenaptx-devel libusb-devel fdk-aac-devel
  libsndfile-devel Vulkan-Headers vulkan-loader $(vopt_if sdl2 SDL2-devel)"
 depends="libspa-alsa>=${version}_${revision} libspa-audioconvert>=${version}_${revision}
@@ -97,13 +97,6 @@ libspa-control_package() {
 	}
 }
 
-libspa-ffmpeg_package() {
-	short_desc+=" - ffmpeg plugins"
-	pkg_install() {
-		vmove usr/lib/spa-0.2/ffmpeg
-	}
-}
-
 libspa-jack_package() {
 	short_desc+=" - jack plugins"
 	pkg_install() {