refactor: disable legacy data migration in init_db

server/init_db.js

@@ -52,6 +52,8 @@ async function init() {
         `;
         await connection.query(createTableSql);
 
+        // Migration block removed to prevent test data from being uploaded to production
+        /*
         try {
             await connection.query(`
                 INSERT IGNORE INTO smart_ims_license_db.issued_licenses 
@@ -63,6 +65,7 @@ async function init() {
         } catch (e) {
             console.log('Skip issued_licenses migration:', e.message);
         }
+        */
 
         // 3. users table
         const createUsersSql = `