Detect removed also when availables aren't found

pkg/solver/solver.go

@@ -413,10 +413,8 @@ func (s *Solver) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAssert
 	// Grab all the installed ones, see if they are eligible for update
 	for _, p := range s.Installed() {
 		available, err := s.DefinitionDatabase.FindPackageVersions(p)
-		if err != nil {
+		if len(available) == 0 || err != nil {
 			removed = append(removed, p)
-		}
-		if len(available) == 0 {
 			continue
 		}