CC-430: Audio normalization (Replaygain Support)

make code simpler (don't download database to file)

airtime_mvc/application/views/scripts/api/get-files-without-replay-gain.phtml

@@ -1,8 +1,3 @@
 <?php
 
-//disable buffering so that data is sent as we retrieve it from the database
-while (@ob_end_flush());
-
-foreach($this->rows as $row) {
-    echo json_encode($row)."\n";
-}
+echo json_encode($this->rows);