FE: legacy code cleanup

Signed-off-by: jokob-sk <jokob.sk@gmail.com>

front/js/tests.js

@@ -1,31 +1,3 @@
-// --------------------------------------------------
-// Check if database is locked
-function lockDatabase(delay=20) {
-    $.ajax({
-        url: 'php/server/dbHelper.php', // Replace with the actual path to your PHP file
-        type: 'GET',
-        data: { action: 'lockDatabase', delay: delay },
-        success: function(response) {
-            console.log('Executed');
-        },
-        error: function() {
-            console.log('Error ocurred');
-        }
-    });
-
-    let times = delay;
-    let countdownInterval = setInterval(() => {
-        times--;
-        console.log(`Remaining time: ${times} seconds`);
-
-        if (times <= 0) {
-            clearInterval(countdownInterval);
-            console.log('Countdown finished');
-        }
-    }, 5000);
-}
-
-
 const requiredFiles = [
     'app_state.json',
     'plugins.json',