[Del] removed windows build from travis
[Del] removed windows build from travis

andrewchenshx/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,vnpy/vnpy,vnpy/vnpy,andrewchenshx/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,bigdig/vnpy,andrewchenshx/vnpy,msincenselee/vnpy,bigdig/vnpy,msincenselee/vnpy,bigdig/vnpy,bigdig/vnpy