Revert "Use Yank kernel config file"

This reverts commit 4bdacb323af3a9c6a908d1c97c0278c92ac985ad.
Hlte: Set call recording source to voice line
hlte: Enable call recording for uplink and downlink

Change-Id: Ibb508b9281ae3f81f149788fad223fd72e14e880

Remove changes to system.prop since
call recording is enabled by default to all