Use configured locale only for translating

Don't use other aspects of it eg for date formatting. We should depend
on the system locale for all these. The user probably likes it that way,
otherwise he would have changed it.

src/base/net/geoipmanager.cpp

@@ -34,7 +34,6 @@
 #include <QDir>
 #include <QFile>
 #include <QHostAddress>
-#include <QLocale>
 
 #include "base/logger.h"
 #include "base/preferences.h"
@@ -101,15 +100,12 @@ void GeoIPManager::loadDatabase()
 
     QString error;
     m_geoIPDatabase = GeoIPDatabase::load(filepath, error);
-    if (m_geoIPDatabase) {
-        const QLocale locale {Preferences::instance()->getLocale()};
+    if (m_geoIPDatabase)
         Logger::instance()->addMessage(tr("GeoIP database loaded. Type: %1. Build time: %2.")
-            .arg(m_geoIPDatabase->type(), locale.toString(m_geoIPDatabase->buildEpoch())),
+            .arg(m_geoIPDatabase->type(), m_geoIPDatabase->buildEpoch().toString()),
             Log::INFO);
-    }
-    else {
+    else
         Logger::instance()->addMessage(tr("Couldn't load GeoIP database. Reason: %1").arg(error), Log::WARNING);
-    }
 
     manageDatabaseUpdate();
 }
@@ -435,9 +431,8 @@ void GeoIPManager::downloadFinished(const QString &url, QByteArray data)
             if (m_geoIPDatabase)
                 delete m_geoIPDatabase;
             m_geoIPDatabase = geoIPDatabase;
-            const QLocale locale {Preferences::instance()->getLocale()};
             Logger::instance()->addMessage(tr("GeoIP database loaded. Type: %1. Build time: %2.")
-                .arg(m_geoIPDatabase->type(), locale.toString(m_geoIPDatabase->buildEpoch())),
+                .arg(m_geoIPDatabase->type(), m_geoIPDatabase->buildEpoch().toString()),
                 Log::INFO);
             QString targetPath = Utils::Fs::expandPathAbs(
                         specialFolderLocation(SpecialFolder::Data) + GEOIP_FOLDER);