filemonitor: Allow removing file monitor watches
filemonitor: Allow removing file monitor watches

vrutkovs/vrutkovs.github.io,chergert/gnome-continuous,chergert/gnome-continuous,chergert/gnome-continuous,djdeath/gnome-ostree,djdeath/gnome-ostree,vrutkovs/vrutkovs.github.io,GNOME/gnome-ostree,GNOME/gnome-ostree,GNOME/gnome-ostree,djdeath/gnome-ostree,vrutkovs/vrutkovs.github.io