[CentOS-mirror] Remove mirror.texas3006.com

Wed Apr 18 20:53:40 UTC 2018
Russell Jones <russell at texas3006.com>

Please remove mirror.texas3006.com from the mirror system for now. We 
will be undergoing some maintenance and server hardware changes that 
will make the mirror unavailable for a decent length of time.

I will send in another email once we are ready to be listed again.