ASoC: Intel: avs-hdaudio: remove redundant dapm routes

Three routes "HDMI 0 Playback<-hdaudioB0D2-cpu0 Tx",
"HDMI 1 Playback<-hdaudioB0D2-cpu1 Tx" and
"HDMI 2 Playback<-hdaudioB0D2-cpu2 Tx" are created by
snd_soc_dapm_connect_dai_link_widgets() automatically. Remove the
duplicate routes.

Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20230612110958.592674-4-brent.lu@intel.com


Signed-off-by: Mark Brown <broonie@kernel.org>