PMCORE-1323 Remove the possibility of change the memory_limit

gulliver/bin/tasks/templates/sysGeneric.php.tpl

@@ -3,7 +3,6 @@
 /*** enable display_error On to caught even fatal errors ***/
 ini_set('display_errors','On');
 ini_set('error_reporting', E_ALL  );
-ini_set('memory_limit', '80M');
 
 $path = Array();
 $sf = $_SERVER['SCRIPT_FILENAME'];

gulliver/system/class.dbMaintenance.php

@@ -436,7 +436,6 @@ class DataBaseMaintenance
      */
     public function restoreFromSql($sqlFile, $type = 'file')
     {
-        ini_set('memory_limit', '64M');
         if ($type == 'file' && !is_file($sqlFile)) {
             throw new Exception("the $sqlFile doesn't exist!");
         }

gulliver/system/class.g.php

@@ -2750,11 +2750,6 @@ class G
         if (!array_key_exists("channels", $imageInfo)) {
             $imageInfo["channels"] = 3;
         }
-        $memoryNeeded = Round(($imageInfo[0] * $imageInfo[1] * $imageInfo['bits'] * $imageInfo['channels'] + Pow(2, 16)) * 1.95) / (1024 * 1024);
-        if ($memoryNeeded < 80) {
-            $memoryNeeded = 80;
-        }
-        ini_set('memory_limit', intval($memoryNeeded) . 'M');
 
         $functions = array(IMAGETYPE_GIF => array('imagecreatefromgif', 'imagegif'
             ), IMAGETYPE_JPEG => array('imagecreatefromjpeg', 'imagejpeg'), IMAGETYPE_PNG => array('imagecreatefrompng', 'imagepng'));