Improve log output when migrating settings.

Signed-off-by: Camila Ayres <hello@camilasan.com>

src/gui/accountmanager.cpp

@@ -166,7 +166,7 @@ void AccountManager::backwardMigrationSettingsKeys(QStringList *deleteKeys, QStr
         }
     } else {
         deleteKeys->append(settings->group());
-    }
+    }    
 }
 
 bool AccountManager::restoreFromLegacySettings()

src/gui/application.cpp

@@ -198,13 +198,16 @@ bool Application::configVersionMigration()
             QTimer::singleShot(0, qApp, &QCoreApplication::quit);
             return false;
         }
+    }
 
+    if (!deleteKeys.isEmpty()) {
         auto settings = ConfigFile::settingsWithGroup("foo");
         settings->endGroup();
 
         // Wipe confusing keys from the future, ignore the others
         for (const auto &badKey : std::as_const(deleteKeys)) {
             settings->remove(badKey);
+            qCInfo(lcApplication) << "Migration: removed" << badKey << "key from settings.";
         }
     }