package/x11r7/xapp_xeyes: bump version to 1.2.0

Release notes:
https://lists.x.org/archives/xorg-announce/2021-August/003101.html



Removed md5 and sha1 hashes, reformatted hashes, updated _SITE.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>