config: remove automotive configuration

This is out-of-date and we don't need it in fact... the default
configuration can serve as a good starting point for any custom embedded
use case.

src/automotive/00-audio-sink.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Audio/Sink" },
-]
-
-[endpoint]
-type = "pw-audio-softdsp-endpoint"
-direction = "sink"
-streams = "playback.streams"

src/automotive/00-audio-source.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Audio/Source" },
-]
-
-[endpoint]
-type = "pw-audio-softdsp-endpoint"
-direction = "source"
-streams = "capture.streams"

src/automotive/00-default-input-audio.endpoint-link

-[match-endpoint]
-direction = "sink"
-media_class = "Stream/Input/Audio"
-
-[endpoint-link]
-keep = false

src/automotive/00-default-output-audio.endpoint-link

-[match-endpoint]
-direction = "source"
-media_class = "Stream/Output/Audio"
-
-[endpoint-link]
-keep = false

src/automotive/00-stream-input-audio.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Stream/Input/Audio" },
-]
-
-[endpoint]
-direction = "sink"
-type = "pw-audio-softdsp-endpoint"

src/automotive/00-stream-output-audio.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Stream/Output/Audio" },
-]
-
-[endpoint]
-direction = "source"
-type = "pw-audio-softdsp-endpoint"

src/automotive/01-hw:0,0-audio-sink.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Audio/Sink" },
-  { name = "api.alsa.path", value = "hw:0,0" },
-]
-
-[endpoint]
-type = "pw-audio-softdsp-endpoint"
-direction = "sink"
-streams = "playback.streams"
-priority = 1

src/automotive/01-hw:0,0-audio-source.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Audio/Source" },
-  { name = "api.alsa.path", value = "hw:0,0" },
-]
-
-[endpoint]
-type = "pw-audio-softdsp-endpoint"
-direction = "source"
-streams = "capture.streams"
-priority = 1

src/automotive/70-usb-audio-sink.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Audio/Sink" },
-  { name = "api.alsa.card.driver", value = "USB-Audio" },
-]
-
-[endpoint]
-type = "pw-audio-softdsp-endpoint"
-direction = "sink"
-streams = "playback.streams"
-priority = 70

src/automotive/70-usb-audio-source.endpoint

-[match-node]
-properties = [
-  { name = "media.class", value = "Audio/Source" },
-  { name = "api.alsa.card.driver", value = "USB-Audio" },
-]
-
-[endpoint]
-type = "pw-audio-softdsp-endpoint"
-direction = "source"
-streams = "capture.streams"
-priority = 70

src/automotive/capture.streams

-[[streams]]
-name = "Capture"
-priority = 1

src/automotive/playback.streams

-[[streams]]
-name = "Multimedia"
-priority = 25
-
-[[streams]]
-name = "Navigation"
-priority = 50
-
-[[streams]]
-name = "Communication"
-priority = 75
-
-[[streams]]
-name = "Emergency"
-priority = 99

src/automotive/wireplumber.conf

-# Register well-known SPA factories
-add-spa-lib audio.convert* audioconvert/libspa-audioconvert
-add-spa-lib api.alsa.* alsa/libspa-alsa
-add-spa-lib api.v4l2.* v4l2/libspa-v4l2
-add-spa-lib api.bluez5.* bluez5/libspa-bluez5
-add-spa-lib api.vulkan.* vulkan/libspa-vulkan
-add-spa-lib api.jack.* jack/libspa-jack
-
-# the client-device pipewire module is needed for libwireplumber-module-monitor
-load-pipewire-module libpipewire-module-client-device
-
-load-module C libwireplumber-module-session
-
-# Basic pipewire integration - do not remove
-load-module C libwireplumber-module-pipewire
-
-# Grants access to security confined clients
-load-module C libwireplumber-module-client-permissions
-
-# Creates the JACK-Device
-load-module C libwireplumber-module-jack-device
-
-load-module C libwireplumber-module-monitor {
-  "factory": <"api.alsa.enum.udev">,
-  "flags": <["use-adapter", "activate-devices"]>
-}
-
-# load-module C libwireplumber-module-monitor {
-#   "factory": <"api.bluez5.enum.dbus">,
-#   "flags": <["local-nodes", "use-adapter"]>
-# }
-
-load-module C libwireplumber-module-monitor {
-  "factory": <"api.v4l2.enum.udev">
-}
-
-# Implements static nodes creation based on TOML configuration files
-load-module C libwireplumber-module-config-static-nodes
-
-# Implements endpoint creation based on TOML configuration files
-load-module C libwireplumber-module-config-endpoint
-
-# Implements linking clients to devices based on TOML configuration files
-load-module C libwireplumber-module-config-policy