Merge pull request #4497 from ipfs/fix/ineff-assign

commands: remove dead code

commands/command.go

@@ -114,15 +114,6 @@ func (c *Command) Call(req Request) Response {
 		isChan = actualType.Kind() == reflect.Chan
 	}
 
-	if isChan {
-		if ch, ok := output.(<-chan interface{}); ok {
-			output = ch
-
-		} else if ch, ok := output.(chan interface{}); ok {
-			output = (<-chan interface{})(ch)
-		}
-	}
-
 	// If the command specified an output type, ensure the actual value
 	// returned is of that type
 	if cmd.Type != nil && !isChan {