Remove redundant words in comments
Although it is spelling mistakes, it might make an affects
while reading.
@@ -14,7 +14,7 @@ import (
// Upstream is used to resolve CNAME or other external targets via CoreDNS itself.
type Upstream struct{}
-// New creates a new Upstream to resolve names using the the coredns process.
+// New creates a new Upstream to resolve names using the coredns process.
func New() *Upstream { return &Upstream{} }
// Lookup routes lookups to our selves or forward to a remote.
