Enable dupword linter

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

reference/docker/normalize.go

@@ -119,7 +119,7 @@ func splitDockerDomain(name string) (domain, remainder string) {
 }
 
 // familiarizeName returns a shortened version of the name familiar
-// to to the Docker UI. Familiar names have the default domain
+// to the Docker UI. Familiar names have the default domain
 // "docker.io" and "library/" repository prefix removed.
 // For example, "docker.io/library/redis" will have the familiar
 // name "redis" and "docker.io/dmcgowan/myapp" will be "dmcgowan/myapp".