add close command at global level

commands/compose/abort.go

@@ -1,33 +0,0 @@
-package compose
-
-import (
-	"errors"
-
-	"git.sr.ht/~sircmpwn/aerc/widgets"
-)
-
-type Abort struct{}
-
-func init() {
-	register(Abort{})
-}
-
-func (_ Abort) Aliases() []string {
-	return []string{"abort"}
-}
-
-func (_ Abort) Complete(aerc *widgets.Aerc, args []string) []string {
-	return nil
-}
-
-func (_ Abort) Execute(aerc *widgets.Aerc, args []string) error {
-	if len(args) != 1 {
-		return errors.New("Usage: abort")
-	}
-	composer, _ := aerc.SelectedTab().(*widgets.Composer)
-
-	aerc.RemoveTab(composer)
-	composer.Close()
-
-	return nil
-}