Resolve "Disable checking of IP address in gosdnc"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Related to #373 (closed)

cli/cmd/utils.go

@@ -61,10 +61,8 @@ func checkIPorHostnameAndPort(address string) error {
 		if ip2 == nil {
 			errorMessage := fmt.Sprintf("address '%s' is neither a valid IP nor a hostname", ipOrHostname)
 			return errors.New(errorMessage)
-
 		}
 	}
-
 	return nil
 }