Delete merge-check.sh; tests that launch bundles skip with their reason (issue 1295, S2; ADR 0529)

The checker runs node-tools' Go level and its npm test; what the script said
was NOT TESTED HERE is a skip naming the missing node or @novox/mesh-sdk.

node-tools/internal/runtime/state_test.go

@@ -139,6 +139,7 @@ func waitFor(t *testing.T, path, line string) {
 // The TypeScript SDK against the runtime (ADR 0201): two watches of one state, each handed only its
 // own changes, the current values handled before the module's import goes on.
 func TestTheSDKsStateReachesTheRuntime(t *testing.T) {
+	mt.NeedBundles(t)
 	mesh := mt.New(t)
 	kv := mesh.Bucket(t, "sdkkeeper_servers")
 	if _, err := kv.Put("all.one", []byte(`{"url":"http://one"}`)); err != nil {