Remove Dynamoid::Config specs.
Remove Dynamoid::Config specs.

They intermittently fail because they change global state, and one
of the two specs doesn't even test what it claims to.

Dynamoid/Dynamoid,dnswus/Dynamoid,Dynamoid/Dynamoid,philipmw/Dynamoid,philipmw/Dynamoid,BilalBudhani/Dynamoid,dnswus/Dynamoid,BilalBudhani/Dynamoid,cavi21/Dynamoid,cavi21/Dynamoid