qemu: Drop kvm.modules
Looked into this because recent packaging changes broke kvm.modules
installation, see https://bugzilla.redhat.com/show_bug.cgi?id=1212328
But nowadays this isn't even required I don't think. According to
comments here:
https://bugzilla.redhat.com/show_bug.cgi?id=963198
The reason for shipping it is missing devname:kvm for ppc and s390 kvm
modules. But those have been in upstream kernel.git since late 2013,
so it should be safe to drop entirely.