Don't fill the all slots with zeros

Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>

api_db.php

@@ -339,19 +339,6 @@ if (isset($_GET['getGraphData']) && $auth) {
             }
         }
 
-        // It is unpredictable what the first timestamp returned by the database
-        // will be. This depends on live data. Hence, we re-align the FROM
-        // timestamp to avoid unaligned holes appearing as additional
-        // (incorrect) data points
-        $aligned_from = $from + (($first_db_timestamp - $from) % $interval);
-
-        // Fill gaps in returned data
-        for ($i = $aligned_from; $i < $until; $i += $interval) {
-            if (!array_key_exists($i, $data)) {
-                $data[$i] = 0;
-            }
-        }
-
         return $data;
     }