- removed HTML5 bitmask parameter
- removed HTML5 bitmask parameter

- ENT_HTML5 bitmask parameter is not compatible with the minimal SMF 2.1
PHP version of 5.3.8  (for PHP 5.4.0+)

Signed-off-by: 6d2e3dde545cd7af2cef6a7a740bddf65bea4f7d@gmail.com

margarett/SMF2.1,margarett/SMF2.1,StealthWombat/SMF2.1-more-forkery,georaldc/SMF2.1,mkress/SMF2.1,MustafaCan/SMF2.1,StealthWombat/SMF2.1-more-forkery,mkress/SMF2.1,georaldc/SMF2.1,mkress/SMF2.1,MustafaCan/SMF2.1