PLT-3344 Set Localization config to always have by default all languages available (#3339)

model/config.go

@@ -6,7 +6,6 @@ package model
 import (
 	"encoding/json"
 	"io"
-	"strings"
 )
 
 const (
@@ -39,16 +38,6 @@ const (
 	RESTRICT_EMOJI_CREATION_ADMIN = "system_admin"
 )
 
-// should match the values in webapp/i18n/i18n.jsx
-var LOCALES = []string{
-	"de",
-	"en",
-	"es",
-	"fr",
-	"ja",
-	"pt-BR",
-}
-
 type ServiceSettings struct {
 	ListenAddress                     string
 	MaximumLoginAttempts              int
@@ -608,7 +597,7 @@ func (o *Config) SetDefaults() {
 
 	if o.LocalizationSettings.AvailableLocales == nil {
 		o.LocalizationSettings.AvailableLocales = new(string)
-		*o.LocalizationSettings.AvailableLocales = strings.Join(LOCALES, ",")
+		*o.LocalizationSettings.AvailableLocales = ""
 	}
 }