defconfig: msm: Remove codec specific config for core

Remove wcd934x codec config as it has been replaced
by a single core config that combines all codecs.

CRs-fixed: 2068879
Change-Id: Ib31d81810cdefb65732a76f1043251b2f75d4cb9
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>