test: remove fixtures for retired controlled replay

tests/fixtures/replay/busy-loop.mjs

@@ -1,5 +0,0 @@
-export default function busyLoop() {
-  while (true) {
-    // Intentionally consume the committed wall-clock budget.
-  }
-}

tests/fixtures/replay/dynamic-import.mjs

@@ -1 +0,0 @@
-export default async () => import("node:fs");

tests/fixtures/replay/exception.mjs

@@ -1,3 +0,0 @@
-export default function fail(value) {
-  throw new TypeError(`fixture:${value}`);
-}

tests/fixtures/replay/memory-pressure.mjs

@@ -1,8 +0,0 @@
-export default function allocateUntilKilled() {
-  const retained = [];
-  while (true) {
-    const allocation = new Uint8Array(1024 * 1024);
-    allocation.fill(1);
-    retained.push(allocation);
-  }
-}

tests/fixtures/replay/proxy-result.mjs

@@ -1,9 +0,0 @@
-export default () =>
-  new Proxy(
-    { hidden: true },
-    {
-      ownKeys() {
-        throw new Error("proxy trap must not run");
-      },
-    },
-  );

tests/fixtures/replay/side-effect-attempt.mjs

@@ -1,9 +0,0 @@
-export default function attempt() {
-  return {
-    process: typeof process,
-    require: typeof require,
-    fetch: typeof fetch,
-    buffer: typeof Buffer,
-    timer: typeof setTimeout,
-  };
-}