Revert "[1/2] Settings: Clock on lockscreen"

This reverts commit ea9198023487ddbe0a6bb1d6c248853255306fe1.
Revert "Revert "Revert "Status bar clock and date customization (2/2)"""

This reverts commit 63b8c975ffaaa0b81f4ba028f43c3613ab18e234.