Revert "FWBase: Audio Themes Support [1/3]"

This reverts commit a0eb5769d43d48e4a0fdb76e4dabfec541c743b7.

Change-Id: I20736e2dcdb86a68519536c6d68c95e993634a3f
Signed-off-by: MURA Stefano [STELIX PippoX3] <ssspinni@gmail.com>