x11-drivers/xf86-video-s3virge: Update to 1.11.0

Update xf86-video-s3virge to 1.11.0.
Remove patches incorporated upstream.
This has not been run time tested due to lack of hardware.

Changelog:
https://lists.x.org/archives/xorg-announce/2019-February/002940.html

PR: 235849
Submitted by: pete@nomadlogic.org