Revert "Simplify translation data structure"

This reverts commit 4dc5ab7

src/servers/translation_server.cpp

@@ -35,15 +35,15 @@ void TranslationServer::load_translations(const std::string& filename) {
 
     rapidcsv::Document doc(filename);
     auto row_count = doc.GetRowCount();
-    auto locale_count = doc.GetColumnCount();
+    auto locale_count = doc.GetColumnCount() - 1;
     auto locale_names = doc.GetColumnNames();
 
     for (size_t row_idx = 0; row_idx < row_count; row_idx++) {
         auto row = doc.GetRow<std::string>(row_idx);
 
         for (int i = 0; i < locale_count; i++) {
-            const auto& locale = locale_names[i];
-            db_[locale][row[0]] = row[i];
+            auto locale = locale_names[1 + i];
+            db_[locale][row[0]] = row[1 + i];
         }
     }
 }