fix issue with wrong upload_size parsing

Apparently "upload_max_filesize" INI directive
was giving output like "2M" which was unparseable
by Mantis.

Instead of setting Mantis config, increase base php.ini
parameters to ~50MB and remove this line at all.

Fixes #5

config_inc.php

@@ -10,10 +10,6 @@ $g_db_password       = getenv('MYSQL_PASSWORD') !== false ? getenv('MYSQL_PASSWO
 
 $g_crypto_master_salt       = getenv('MASTER_SALT');
 
-# To fix the warning
-# max_file_size MantisBT option is less than or equal to the upload_max_filesize directive in php.ini
-$g_max_file_size = ini_get("upload_max_filesize");
-
 
 # Configure email
 $g_webmaster_email          = getenv('EMAIL_WEBMASTER') !== false ? getenv('EMAIL_WEBMASTER') : null;