intensity [1] filed a deletion request for xfwm4-move-monitor [2]: This package added a patch for xfce 4.16. The patch was merged into xfce upstream and included in release 4.18, so this package no longer makes any sense.
[1] https://aur.archlinux.org/account/intensity/ [2] https://aur.archlinux.org/pkgbase/xfwm4-move-monitor/
