fix(translations): sync translations from transifex (v39)

Automatically merged.

src/i18n/i18n_module_es.properties

@@ -1536,7 +1536,7 @@ characters_without_params=Characters without params
 scheduled_date  = scheduled date
 send_message=Enviar mensaje
 message_is_sent=Mensaje enviado
-recipients=Recipients
+recipients=Destinatarios
 message_type=Message type
 both=Both
 direct_sms=Direct SMS
@@ -1593,7 +1593,7 @@ auto_save_registration_forms=Auto save registration form
 show_advanced_options=Mostrar opciones avanzadas
 hide_advanced_options=Ocultar opciones avanzadas
 program_validation_rule_management=Administraci\u00f3n de reglas validaci\u00f3n de programas
-confidential=Confidential
+confidential=Confidencial
 program_indicator_management_form=Program indicator management form
 auto_save_prorgam_entry_form_forms=Auto-save program entry forms
 filter_by_program=Filter by program