examples/multi-pointer: drop
We already have another very similar example which demonstrates wlr_cursor: "pointer".
This is the lazy version, based on the fact that adapting the pointer
example to have one wlr_cursor
per device isn't terribly difficult. We could also decide that multi-pointer
is valuable enough and merge it into pointer
: either by always creating one wlr_cursor
per device there, either by introducing a CLI flag to switch the mode (at the cost of making the example more complicated to grasp).