dunst: leave the rofi package to the rofi module, which the merge gate requires

Two modules on one machine may not declare the same package; the rofi module is assigned wherever
dunst is.

modules/dunst/cmd/dunst-tools/manifest_test.go

@@ -19,8 +19,10 @@ func TestItClaimsTheNotifierSeatServingSendAndHistory(t *testing.T) {
 	if !reflect.DeepEqual(m.Claims, []claim{{Name: "node-notifier", Scope: "node", Serves: []string{"send", "history"}}}) {
 		t.Fatalf("claims: %+v", m.Claims)
 	}
-	// rofi is the context menu the dunstrc calls by name (see TheFileIsTheDecidedOne).
-	if present, absent := m.packages(); !reflect.DeepEqual(present, []string{"dunst", "libnotify", "rofi"}) || absent != nil {
+	// rofi, the context menu the dunstrc calls by name, is the rofi module's package: two modules on one
+	// machine may not declare the same package, and the rofi module holds node-launcher on every
+	// machine dunst serves.
+	if present, absent := m.packages(); !reflect.DeepEqual(present, []string{"dunst", "libnotify"}) || absent != nil {
 		t.Fatalf("packages: %v, absent %v", present, absent)
 	}
 }