games/openmw: Update to 0.42.0

• Drop the gamecontrollerdb.txt patch since controller mappings cannot be shared reliably between FreeBSD systems [1]
• Drop patch for inverting the joystick Y-axis based on the invert mouse setting

Changes: https://github.com/OpenMW/openmw/releases/tag/openmw-0.42.0
PR: 218289 [1]