Remove py36-pycrypto matrix on appveyor
Remove py36-pycrypto matrix on appveyor

hunter007/wechatpy,zaihui/wechatpy,jxtech/wechatpy,zhaoqz/wechatpy,zhaoqz/wechatpy,cloverstd/wechatpy,messense/wechatpy,wechatpy/wechatpy,hunter007/wechatpy,cloverstd/wechatpy,zaihui/wechatpy