[discuss] Delete 4.16.5-rc0 binary&src from dev svn

[ZhangJian He]

When I am trying to release 4.16.6, I found 4.16.5-rc0's binary is still in
the dev svn. I think it's better to remove it? Am I right?

Thanks
ZhangJian He
Twitter: shoothzj
Wechat: shoothzj