Revert "[Mod]add trader api of xtp"
Revert "[Mod]add trader api of xtp"

This reverts commit 8a2489ebf9d4e6e94673ee4e3e4ada1f7e37b1f3.

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