Revert "ASoC: OMAP ABE: Add "450Hz High-pass" to DL1 Equalizer"

This reverts commit c36234a424904dcacb0326c9f8a71f7ffbb466f9.
Revert "ASoC: ABE: Hide DL2 equalizers if DL2 is not configured"

This reverts commit 7682bb0d77befa56ae2a977aab7485f5d2b9ce6d.