Remove used param on ParseHost

The first param on opts.ParseHost() wasn't being used for anything.

Once we get rid of that param we can then also clean-up some code
that calls ParseHost() because the param that was passed in wasn't
being used for anything else.

Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: ba973f2d74c150154390aed1a5aed8fb5d0673b8
Component: engine

components/engine/api/client/cli.go

@@ -105,20 +105,15 @@ func NewDockerCli(in io.ReadCloser, out, err io.Writer, clientFlags *cli.ClientF
 
 		switch len(hosts) {
 		case 0:
-			defaultHost := os.Getenv("DOCKER_HOST")
-			hosts = []string{defaultHost}
+			hosts = []string{os.Getenv("DOCKER_HOST")}
 		case 1:
 			// only accept one host to talk to
 		default:
 			return errors.New("Please specify only one -H")
 		}
 
-		defaultHost := opts.DefaultTCPHost
-		if clientFlags.Common.TLSOptions != nil {
-			defaultHost = opts.DefaultTLSHost
-		}
 		var e error
-		if hosts[0], e = opts.ParseHost(defaultHost, hosts[0]); e != nil {
+		if hosts[0], e = opts.ParseHost(hosts[0]); e != nil {
 			return e
 		}