cocoa: don't use VOCTRL_UPDATE_SCREENINFO
win32: don't use VOCTRL_UPDATE_SCREENINFO

Not very tested. At least it compiles.
wayland: don't use VOCTRL_UPDATE_SCREENINFO

Not very tested. Appears to work.
vo_wayland: always assume resize on reconfigure

It doesn't look like vo_wayland_config() necessarily sets this flag, so
it seems safer to trigger an explicit resize. This accounts for the case
when playing a new file with different size than the one before.
vo: remove old stuff