textproc/highlight: the port had been updated to version 4.12

• Adjust WWW line to avoid "Configuration error: FPM configured for this domain, but no matching PHP-FPM found." error (also synchronize MASTER_SITES for consistency even though it still serves the distfile via the www.-prefixed address just fine)
• Revert commit a8f128169f261 as it is no longer needed today