Revert "ASoC: msm8996: add support for automotive sound card"

This reverts commit 85a85595
("ASoC: msm8996: add support for automotive sound card"). The
automotive sound card is supported by a dedicated machine
driver apq8096-auto.c.

Change-Id: I5a4a40bff4172fe3bc2e5ce0cc9a178a7f978a69
Signed-off-by: Honghao Liu <honghaol@codeaurora.org>