Remove abortAfterTimeout

It's fundamentally flawed because it doesn't support easy cancellation of the timeout.

src/shared/protocol.ts

@@ -48,8 +48,6 @@ export type RequestOptions = {
 
   /**
    * Can be used to cancel an in-flight request. This will cause an AbortError to be raised from request().
-   *
-   * Use abortAfterTimeout() to easily implement timeouts using this signal.
    */
   signal?: AbortSignal;
 };

src/utils.test.ts

@@ -1,15 +0,0 @@
-import { abortAfterTimeout } from "./utils.js";
-
-describe("abortAfterTimeout", () => {
-  it("should abort after timeout", () => {
-    const signal = abortAfterTimeout(0);
-    expect(signal.aborted).toBe(false);
-
-    return new Promise((resolve) => {
-      setTimeout(() => {
-        expect(signal.aborted).toBe(true);
-        resolve(true);
-      }, 0);
-    });
-  });
-});

src/utils.ts

@@ -1,11 +0,0 @@
-/**
- * Returns an AbortSignal that will enter aborted state after `timeoutMs` milliseconds.
- */
-export function abortAfterTimeout(timeoutMs: number): AbortSignal {
-  const controller = new AbortController();
-  setTimeout(() => {
-    controller.abort("Timeout exceeded");
-  }, timeoutMs);
-
-  return controller.signal;
-}