ARM: dts: msm: Remove add sb_4_tx_vi to support VI recording at msm8998

This reverts commit 9f45a559 ("ARM: dts: msm:
add sb_4_tx_vi to support VI recording at msm8998")

It is unnecessary to support concurrency of VI sense
recording and speaker protection.

CRs-Fixed: 1113625
Change-Id: I13ee9fd2daed2ad55347c112eeb79a9bfe6495ba
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>