Remove unused win32 module.
Remove unused win32 module.

Not needed anymore, since the win32 legacy driver has been removed. This produced linker conflicts with the corresponding module in eventcore when both were compiled with LDC on the same command line.

Geod24/vibe.d,etcimon/vibe.d,gedaiu/vibe.d,chalucha/vibe.d,rejectedsoftware/vibe.d,etcimon/vibe.d