Maint: rename SettingsGetterSetter to SettingsGetSetter

internal/publicip/state/settings.go

@@ -7,7 +7,7 @@ import (
 	"github.com/qdm12/gluetun/internal/configuration"
 )
 
-type SettingsGetterSetter interface {
+type SettingsGetSetter interface {
 	GetSettings() (settings configuration.PublicIP)
 	SetSettings(ctx context.Context,
 		settings configuration.PublicIP) (outcome string)

internal/publicip/state/state.go

@@ -11,7 +11,7 @@ import (
 var _ Manager = (*State)(nil)
 
 type Manager interface {
-	SettingsGetterSetter
+	SettingsGetSetter
 	PublicIPGetSetter
 }