refactor!: drop "record" & "server new" command

These were alpha prototypes and we'll reconsider once other layers of
Abra are more stable.

cli/server/server.go

@@ -9,16 +9,7 @@ var ServerCommand = cli.Command{
 	Name:    "server",
 	Aliases: []string{"s"},
 	Usage:   "Manage servers",
-	Description: `
-Create, manage and remove servers using 3rd party integrations. 
-
-Servers can be created from scratch using the "abra server new" command. If you
-already have a server, you can add it to your configuration using "abra server
-add". Abra can provision servers so that they are ready to deploy Co-op Cloud
-recipes, see available flags on "abra server add" for more.
-`,
 	Subcommands: []cli.Command{
-		serverNewCommand,
 		serverAddCommand,
 		serverListCommand,
 		serverRemoveCommand,