refactor: remove unnecessary line setting FilePath field to .host

- Remove the line that sets the `FilePath` field to `.host`

Signed-off-by: appleboy <appleboy.tw@gmail.com>

main.go

@@ -38,11 +38,10 @@ func main() {
 	app.Version = Version
 	app.Flags = []cli.Flag{
 		&cli.StringSliceFlag{
-			Name:     "host",
-			Aliases:  []string{"H"},
-			Usage:    "connect to host",
-			EnvVars:  []string{"PLUGIN_HOST", "SSH_HOST", "INPUT_HOST"},
-			FilePath: ".host",
+			Name:    "host",
+			Aliases: []string{"H"},
+			Usage:   "connect to host",
+			EnvVars: []string{"PLUGIN_HOST", "SSH_HOST", "INPUT_HOST"},
 		},
 		&cli.IntFlag{
 			Name:    "port",