fix: remove outdated scaffold tests (engines, tsdown)

engines check hardcoded 20.19.0 but we use >=24.0.0.
tsdown.config.ts check is wrong — vite-plus handles bundling.
ADD-02 kept as it tests real --projectDir functionality.

Author: thejackshelton

tests/integration/golden/add.spec.ts

@@ -53,9 +53,6 @@ test.group("ADD-02 -- qwik add with --projectDir", (group) => {
   test("adds integration to --projectDir subdirectory", ({ assert }) => {
     const result = runCli(["add", "--projectDir=./sub", "--skipConfirmation=true"], tmpDir);
     assert.strictEqual(result.status, 0);
-    // Will FAIL until Phase 5 implements add command with --projectDir support (stub does not write adapter files).
-    // Positive assertion: adapter file must be written to the sub/ subdirectory.
-    // Will FAIL against stub — stub does not write any files.
     const adapterFile = join(tmpDir, "sub", "adapters", "cloudflare-pages", "vite.config.ts");
     assert.isTrue(
       existsSync(adapterFile),

tests/unit/scaffold.spec.ts

@@ -5,12 +5,6 @@ import { test } from "@japa/runner";
 const ROOT = join(import.meta.dirname, "..", "..");
 
 test.group("Scaffold", () => {
-  test("package.json has engines >=20.19.0", ({ assert }) => {
-    const pkg = JSON.parse(readFileSync(join(ROOT, "package.json"), "utf-8"));
-    assert.property(pkg, "engines");
-    assert.include(pkg.engines.node, "20.19.0");
-  });
-
   test("package.json files includes stubs", ({ assert }) => {
     const pkg = JSON.parse(readFileSync(join(ROOT, "package.json"), "utf-8"));
     assert.include(pkg.files, "stubs");
@@ -27,8 +21,4 @@ test.group("Scaffold", () => {
     assert.property(pkg.exports["."], "import");
     assert.property(pkg.exports["."], "require");
   });
-
-  test("tsdown.config.ts exists", ({ assert }) => {
-    assert.isTrue(existsSync(join(ROOT, "tsdown.config.ts")));
-  });
 });