cleanup: Remove expired ports:

2022-09-04 x11-drivers/xf86-video-trident: Broken with recent xorg, no fixes upstream
2022-09-04 x11-drivers/xf86-video-s3: Broken with recent xorg, no fixes upstream
2022-09-04 x11-drivers/xf86-video-glint: Broken with recent xorg, no fixes upstream