Revert "[2/3] Effects: Add center frequency param to bassboost"

This reverts commit 0744d695cd1c78214deaa2811cde4066ab3b27d9.

Change-Id: I6afad125b213b031b0cae301d3a5d492490502c6
Revert "[1/3] Effects: Add a stereo widening effect"

This reverts commit bab81639f67c1cf9344fe6504706fce624fa4feb.

Change-Id: Iadb92cda5fce4b11afa493441d4b57222c78700b