Revert "status bar: AM/PM - show/hide clock"

This reverts commit 16f8385621d3cd21432d5fcc472fec3c704e37cc.
Revert "navigation bar: custom height"

This reverts commit 75089d8517ff260e217b9909dd7bbf2a6b969f35.
Revert "volume rocker: make safe headset volume user configurable"

This reverts commit b851e7beea9b1ed3342d151c5ff045f23355d303.
Revert "clear all recents button"

This reverts commit 72e841e576a127893cb7be77082193b6cf76bd01.