tamsui: unused code cleanup

-revert FIH_SW3_LAST_ALOG
-revert FIH_SW_TCXO_SD_DURING_DISPLAY_ON
-revert FIH_SW_DISPLAY_CABC
-revert SUSPEND_HANG_TIMER
-revert FIH_SW3_BUILDTYPE_DEBUG

Change-Id: Ida8ecf36102f1f795fbcdf65df3a8066345b42a7