Revert "FWAV: Audio Themes Support [2/3]"

This reverts commit 1f253dbab92505dc95ddf485560f78eb88edc1b6.

Change-Id: Ic3a167e67b0abd94995a1b34e5f00c12421d83d5
Signed-off-by: MURA Stefano [STELIX PippoX3] <ssspinni@gmail.com>