Revert "ASoC: wcd9xxx: introduce headphone impedance detection support"

This reverts commit 6b60b959231f48817bc9974d05ddad4d582060aa.
Revert "ASoC: wcd9320: Update buck control and mode registers"

This reverts commit 92b8e5e766743afbe3a5349ca5638cfff8b193d2.
Revert "ASoC: wcd9xxx: Apply class H parameters based on impedance"

This reverts commit 5b283b8c9e8118080cfd31dd8dc359a630dc4941.
ASoC: wcd9320: fix revert derp.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>