remove go 1.9 restriction, which is false
@@ -78,8 +78,6 @@ And then `go build` as you would normally do:
This should yield a `coredns` binary.
-Note that CoreDNS currently requires at least Go 1.9 to build.
-
## Examples
When starting CoreDNS without any configuration, it loads the `whoami` middleware and starts
