Revert "hammerhead: enable volume rocker wake setting"

This reverts commit 07edf9dd0aef04808b41e8500eb800fcb75d44da.
Revert "hammerhead: add charging led support"

This reverts commit e00e915ec80a63baf8655d5df2d7aeaa171615a5.
Revert "Add overlay for  config_deviceHardwareKeys"

This reverts commit f89cef56cbd78c77e20da990b7f6831e505996e8.