[lipstick] Remove stale entries from the launcher settings when storing launcher icon positions
[lipstick] Remove stale entries from the launcher settings when storing launcher icon positions

rainemak/lipstick,jusa/lipstick,giucam/lipstick,giucam/lipstick,matthewvogt/lipstick,matthewvogt/lipstick,pvuorela/lipstick,rainisto/lipstick,pvuorela/lipstick,sletta/lipstick,adenexter/lipstick,rainisto/lipstick,adenexter/lipstick,sletta/lipstick,rainemak/lipstick,giucam/lipstick,rainemak/lipstick,pvuorela/lipstick,rainisto/lipstick,matthewvogt/lipstick,sletta/lipstick,jusa/lipstick