RPi: remove vc4-hdmi.conf ALSA card conf

This is now upstream in alsa-lib 1.2.7

Signed-off-by: Matthias Reichl <hias@horus.com>

projects/RPi/filesystem/usr/share/alsa/cards/vc4-hdmi.conf

@@ -1,82 +0,0 @@
-#
-# Configuration for the VC4-HDMI sound card using software IEC958
-# subframe conversion
-#
-
-<confdir:pcm/hdmi.conf>
-
-vc4-hdmi.pcm.hdmi.0 {
-	@args [ CARD AES0 AES1 AES2 AES3 ]
-	@args.CARD {
-		type string
-	}
-	@args.AES0 {
-		type integer
-	}
-	@args.AES1 {
-		type integer
-	}
-	@args.AES2 {
-		type integer
-	}
-	@args.AES3 {
-		type integer
-	}
-	type iec958
-	slave {
-		format IEC958_SUBFRAME_LE
-		pcm {
-			type hooks
-			slave.pcm {
-				type hw
-				card $CARD
-				device 0
-			}
-			hooks.0 {
-				type ctl_elems
-				hook_args [
-				{
-					name "IEC958 Playback Default"
-					interface PCM
-					optional true
-					lock true
-					preserve true
-					value [ $AES0 $AES1 $AES2 $AES3 ]
-				}
-				]
-			}
-		}
-	}
-	status [ $AES0 $AES1 $AES2 $AES3 ]
-	hdmi_mode true
-}
-
-# default with plug and softvol
-vc4-hdmi.pcm.default {
-	@args [ CARD ]
-	@args.CARD {
-		type string
-	}
-	type asym
-	playback.pcm {
-		type plug
-		slave.pcm {
-			type softvol
-			slave.pcm {
-				@func concat
-				strings [
-					"cards.vc4-hdmi.pcm.hdmi.0:"
-					"CARD=" $CARD ","
-					"AES0=0x04,"	# IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE
-					"AES1=0x82,"	# IEC958_AES1_CON_ORIGINAL | IEC958_AES1_CON_PCM_CODER
-					"AES2=0x00,"	# IEC958_AES2_CON_SOURCE_UNSPEC | IEC958_AES2_CON_CHANNEL_UNSPEC
-					"AES3=0x01"	# IEC958_AES3_CON_FS_NOTID (iec958 plugin will fill in actual rate)
-				]
-			}
-			control {
-				name "PCM Playback Volume"
-				card $CARD
-			}
-		}
-	}
-}