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/runtime_test.go

@@ -46,6 +46,7 @@ func same(t *testing.T, got, want string) {
 // The node's runtime serves five modules' bundles on one credential — two TypeScript, one broken,
 // one Python, one written against the protocol — and follows a re-issued membership (ADR 0175, 0193).
 func TestTheNodesRuntimeServesFiveModulesAndFollowsAReissuedMembership(t *testing.T) {
+	mt.NeedBundles(t)
 	mesh := mt.New(t)
 	mesh.Issue(t, mt.MembershipOf("alpha", "anchor", true, nil))
 	mesh.Issue(t, mt.MembershipOf("beta", "anchor", false, map[string][]string{"node-shelf": {"list", "clear"}}))
@@ -152,6 +153,7 @@ func TestTheNodesRuntimeServesFiveModulesAndFollowsAReissuedMembership(t *testin
 // Each bundle is given its own environment and none of another's (ADR 0192), and the composed
 // environments are not left in the runtime's.
 func TestEachBundleIsGivenItsOwnEnvironment(t *testing.T) {
+	mt.NeedBundles(t)
 	mesh := mt.New(t)
 	for _, m := range []string{"gamma", "delta", "zeta"} {
 		mesh.Issue(t, mt.MembershipOf(m, "anchor", false, nil))
@@ -192,6 +194,7 @@ func TestEachBundleIsGivenItsOwnEnvironment(t *testing.T) {
 
 // An entrypoint that is not executable is refused by name, and the others serve (ADR 0193).
 func TestAnEntrypointThatIsNotExecutableIsRefused(t *testing.T) {
+	mt.NeedBundles(t)
 	mesh := mt.New(t)
 	mesh.Issue(t, mt.MembershipOf("alpha", "anchor", false, nil))
 	mesh.Issue(t, mt.MembershipOf("plain", "anchor", false, nil))
@@ -218,6 +221,7 @@ func TestAnEntrypointThatIsNotExecutableIsRefused(t *testing.T) {
 
 // A launched bundle is told the module it serves, so its seat's verbs stay the seat's (ADR 0193).
 func TestALaunchedBundleRegisteringItsSeatFirstServesTheSeat(t *testing.T) {
+	mt.NeedBundles(t)
 	mesh := mt.New(t)
 	mesh.Issue(t, mt.MembershipOf("theta", "anchor", false, map[string][]string{"node-shelf": {"list"}}))
 	nodeTools := connect(t, "node-tools", "anchor")