refactor: update localization files

Note: This commit removes previous translations, which means the app will now be untranslated.

Reasons for this include low translation quality, and the lack of a good quality assurance process in place.

lang/en/log-viewer::general.php

@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'empty-logs' => '',
+];